1: # The LearningOnline Network with CAPA
2: # Handler for requesting to have slots added to a students record
3: #
4: # $Id: slotrequest.pm,v 1.115 2012/08/23 14:17:13 raeburn Exp $
5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
28: ###
29:
30: package Apache::slotrequest;
31:
32: use strict;
33: use Apache::Constants qw(:common :http :methods);
34: use Apache::loncommon();
35: use Apache::lonlocal;
36: use Apache::lonnet;
37: use Apache::lonnavmaps();
38: use Date::Manip;
39: use lib '/home/httpd/lib/perl/';
40: use LONCAPA;
41:
42: sub fail {
43: my ($r,$code)=@_;
44: if ($code eq 'not_valid') {
45: $r->print('<p>'.&mt('Unable to understand what resource you wanted to sign up for.').'</p>');
46: } elsif ($code eq 'not_available') {
47: $r->print('<p>'.&mt('No slots are available.').'</p>');
48: } elsif ($code eq 'not_allowed') {
49: $r->print('<p>'.&mt('Not allowed to sign up or change reservations at this time.').'</p>');
50: } else {
51: $r->print('<p>'.&mt('Failed.').'</p>');
52: }
53:
54: &return_link($r);
55: &end_page($r);
56: }
57:
58: sub start_page {
59: my ($r,$title,$brcrum)=@_;
60: my $args;
61: if (ref($brcrum) eq 'ARRAY') {
62: $args = {bread_crumbs => $brcrum};
63: }
64: $r->print(&Apache::loncommon::start_page($title,undef,$args));
65: }
66:
67: sub end_page {
68: my ($r)=@_;
69: $r->print(&Apache::loncommon::end_page());
70: }
71:
72: =pod
73:
74: slot_reservations db
75: - keys are
76: - slotname\0id -> value is an hashref of
77: name -> user@domain of holder
78: timestamp -> timestamp of reservation
79: symb -> symb of resource that it is reserved for
80:
81: =cut
82:
83: sub get_course {
84: (undef,my $courseid)=&Apache::lonnet::whichuser();
85: my $cdom=$env{'course.'.$courseid.'.domain'};
86: my $cnum=$env{'course.'.$courseid.'.num'};
87: return ($cnum,$cdom);
88: }
89:
90: sub get_reservation_ids {
91: my ($slot_name)=@_;
92:
93: my ($cnum,$cdom)=&get_course();
94:
95: my %consumed=&Apache::lonnet::dump('slot_reservations',$cdom,$cnum,
96: "^$slot_name\0");
97: if (&Apache::lonnet::error(%consumed)) {
98: return 'error: Unable to determine current status';
99: }
100: my ($tmp)=%consumed;
101: if ($tmp=~/^error: 2 / ) {
102: return 0;
103: }
104: return keys(%consumed);
105: }
106:
107: sub space_available {
108: my ($slot_name,$slot)=@_;
109: my $max=$slot->{'maxspace'};
110:
111: if (!defined($max)) { return 1; }
112:
113: my $consumed=scalar(&get_reservation_ids($slot_name));
114: if ($consumed < $max) {
115: return 1
116: }
117: return 0;
118: }
119:
120: sub check_for_reservation {
121: my ($symb,$mode)=@_;
122: my $student = &Apache::lonnet::EXT("resource.0.availablestudent", $symb,
123: $env{'user.domain'}, $env{'user.name'});
124:
125: my $course = &Apache::lonnet::EXT("resource.0.available", $symb,
126: $env{'user.domain'}, $env{'user.name'});
127: my @slots = (split(/:/,$student), split(/:/, $course));
128:
129: &Apache::lonxml::debug(" slot list is ".join(':',@slots));
130:
131: my ($cnum,$cdom)=&get_course();
132: my %slots=&Apache::lonnet::get('slots', [@slots], $cdom, $cnum);
133:
134: if (&Apache::lonnet::error($student)
135: || &Apache::lonnet::error($course)
136: || &Apache::lonnet::error(%slots)) {
137: return 'error: Unable to determine current status';
138: }
139: my @got;
140: my @sorted_slots = &Apache::loncommon::sorted_slots(\@slots,\%slots,'starttime');
141: foreach my $slot_name (@sorted_slots) {
142: next if (!defined($slots{$slot_name}) ||
143: !ref($slots{$slot_name}));
144: &Apache::lonxml::debug(time." $slot_name ".
145: $slots{$slot_name}->{'starttime'}." -- ".
146: $slots{$slot_name}->{'startreserve'}." -- ".
147: $slots{$slot_name}->{'endreserve'});
148: if (($slots{$slot_name}->{'endtime'} > time) &&
149: ($slots{$slot_name}->{'startreserve'} < time) &&
150: ((!$slots{$slot_name}->{'endreserve'}) ||
151: ($slots{$slot_name}->{'endreserve'} > time))) {
152: # between start of reservation time and end of reservation time
153: # and before end of slot
154: if ($mode eq 'allslots') {
155: push(@got,$slot_name);
156: } else {
157: return($slot_name, $slots{$slot_name});
158: }
159: }
160: }
161: if ($mode eq 'allslots' && @got) {
162: return @got;
163: }
164: return (undef,undef);
165: }
166:
167: sub get_consumed_uniqueperiods {
168: my ($slots) = @_;
169: my $navmap=Apache::lonnavmaps::navmap->new;
170: if (!defined($navmap)) {
171: return 'error: Unable to determine current status';
172: }
173: my @problems = $navmap->retrieveResources(undef,
174: sub { $_[0]->is_problem() },1,0);
175: my %used_slots;
176: foreach my $problem (@problems) {
177: my $symb = $problem->symb();
178: my $student = &Apache::lonnet::EXT("resource.0.availablestudent",
179: $symb, $env{'user.domain'},
180: $env{'user.name'});
181: my $course = &Apache::lonnet::EXT("resource.0.available",
182: $symb, $env{'user.domain'},
183: $env{'user.name'});
184: if (&Apache::lonnet::error($student)
185: || &Apache::lonnet::error($course)) {
186: return 'error: Unable to determine current status';
187: }
188: foreach my $slot (split(/:/,$student), split(/:/, $course)) {
189: $used_slots{$slot}=1;
190: }
191: }
192:
193: if (!ref($slots)) {
194: my ($cnum,$cdom)=&get_course();
195: my %slots=&Apache::lonnet::get('slots', [keys(%used_slots)], $cdom, $cnum);
196: if (&Apache::lonnet::error(%slots)) {
197: return 'error: Unable to determine current status';
198: }
199: $slots = \%slots;
200: }
201:
202: my %consumed_uniqueperiods;
203: foreach my $slot_name (keys(%used_slots)) {
204: next if (!defined($slots->{$slot_name}) ||
205: !ref($slots->{$slot_name}));
206:
207: next if (!defined($slots->{$slot_name}{'uniqueperiod'}) ||
208: !ref($slots->{$slot_name}{'uniqueperiod'}));
209: $consumed_uniqueperiods{$slot_name} =
210: $slots->{$slot_name}{'uniqueperiod'};
211: }
212: return \%consumed_uniqueperiods;
213: }
214:
215: sub check_for_conflict {
216: my ($symb,$new_slot_name,$new_slot,$slots,$consumed_uniqueperiods)=@_;
217:
218: if (!defined($new_slot->{'uniqueperiod'})) { return undef; }
219:
220: if (!ref($consumed_uniqueperiods)) {
221: $consumed_uniqueperiods = &get_consumed_uniqueperiods($slots);
222: if (ref($consumed_uniqueperiods) eq 'HASH') {
223: if (&Apache::lonnet::error(%$consumed_uniqueperiods)) {
224: return 'error: Unable to determine current status';
225: }
226: } else {
227: return 'error: Unable to determine current status';
228: }
229: }
230:
231: my ($new_uniq_start,$new_uniq_end) = @{$new_slot->{'uniqueperiod'}};
232: foreach my $slot_name (keys(%$consumed_uniqueperiods)) {
233: my ($start,$end)=@{$consumed_uniqueperiods->{$slot_name}};
234: if (!
235: ($start < $new_uniq_start && $end < $new_uniq_start) ||
236: ($start > $new_uniq_end && $end > $new_uniq_end )) {
237: return $slot_name;
238: }
239: }
240: return undef;
241: }
242:
243: sub make_reservation {
244: my ($slot_name,$slot,$symb,$cnum,$cdom)=@_;
245:
246: my $value=&Apache::lonnet::EXT("resource.0.availablestudent",$symb,
247: $env{'user.domain'},$env{'user.name'});
248: &Apache::lonxml::debug("value is $value<br />");
249:
250: my $use_slots = &Apache::lonnet::EXT("resource.0.useslots",$symb,
251: $env{'user.domain'},$env{'user.name'});
252: &Apache::lonxml::debug("use_slots is $use_slots<br />");
253:
254: if (&Apache::lonnet::error($value)
255: || &Apache::lonnet::error($use_slots)) {
256: return 'error: Unable to determine current status';
257: }
258:
259: my $parm_symb = $symb;
260: my $parm_level = 1;
261: if ($use_slots eq 'map' || $use_slots eq 'map_map') {
262: my ($map) = &Apache::lonnet::decode_symb($symb);
263: $parm_symb = &Apache::lonnet::symbread($map);
264: $parm_level = 2;
265: }
266:
267: foreach my $other_slot (split(/:/, $value)) {
268: if ($other_slot eq $slot_name) {
269: my %consumed=&Apache::lonnet::dump('slot_reservations', $cdom,
270: $cnum, "^$slot_name\0");
271: if (&Apache::lonnet::error($value)) {
272: return 'error: Unable to determine current status';
273: }
274: my $me=$env{'user.name'}.':'.$env{'user.domain'};
275: foreach my $key (keys(%consumed)) {
276: if ($consumed{$key}->{'name'} eq $me) {
277: my $num=(split('\0',$key))[1];
278: return -$num;
279: }
280: }
281: }
282: }
283:
284: my $max=$slot->{'maxspace'};
285: if (!defined($max)) { $max=99999; }
286:
287: my (@ids)=&get_reservation_ids($slot_name);
288: if (&Apache::lonnet::error(@ids)) {
289: return 'error: Unable to determine current status';
290: }
291: my $last=0;
292: foreach my $id (@ids) {
293: my $num=(split('\0',$id))[1];
294: if ($num > $last) { $last=$num; }
295: }
296:
297: my $wanted=$last+1;
298: &Apache::lonxml::debug("wanted $wanted<br />");
299: if (scalar(@ids) >= $max) {
300: # full up
301: return undef;
302: }
303:
304: my %reservation=('name' => $env{'user.name'}.':'.$env{'user.domain'},
305: 'timestamp' => time,
306: 'symb' => $parm_symb);
307:
308: my $success=&Apache::lonnet::newput('slot_reservations',
309: {"$slot_name\0$wanted" =>
310: \%reservation},
311: $cdom, $cnum);
312:
313: if ($success eq 'ok') {
314: my $new_value=$slot_name;
315: if ($value) {
316: $new_value=$value.':'.$new_value;
317: }
318: &store_slot_parm($symb,$slot_name,$parm_level,$new_value,$cnum,$cdom);
319: return $wanted;
320: }
321:
322: # someone else got it
323: return undef;
324: }
325:
326: sub store_slot_parm {
327: my ($symb,$slot_name,$parm_level,$new_value,$cnum,$cdom) = @_;
328: my $result=&Apache::lonparmset::storeparm_by_symb($symb,
329: '0_availablestudent',
330: $parm_level, $new_value,
331: 'string',
332: $env{'user.name'},
333: $env{'user.domain'});
334: &Apache::lonxml::debug("hrrm $result");
335: my %storehash = (
336: symb => $symb,
337: slot => $slot_name,
338: action => 'reserve',
339: context => $env{'form.context'},
340: );
341:
342: &Apache::lonnet::write_log('slotreservationslog',\%storehash,
343: '',$env{'user.name'},$env{'user.domain'},
344: $cnum,$cdom);
345: &Apache::lonnet::write_log($cdom.'_'.$cnum.'_slotlog',\%storehash,
346: 1,$env{'user.name'},$env{'user.domain'},
347: $env{'user.name'},$env{'user.domain'});
348:
349: return;
350: }
351:
352: sub remove_registration {
353: my ($r) = @_;
354: if ($env{'form.entry'} ne 'remove all') {
355: return &remove_registration_user($r);
356: }
357: my $slot_name = $env{'form.slotname'};
358: my %slot=&Apache::lonnet::get_slot($slot_name);
359:
360: my ($cnum,$cdom)=&get_course();
361: my %consumed=&Apache::lonnet::dump('slot_reservations',$cdom,$cnum,
362: "^$slot_name\0");
363: if (&Apache::lonnet::error(%consumed)) {
364: $r->print("<p><span class=\"LC_error\">".&mt('A network error has occurred.').'</span></p>');
365: return;
366: }
367: if (!%consumed) {
368: $r->print('<p>'.&mt('Slot [_1] has no reservations.',
369: '<tt>'.$slot_name.'</tt>').'</p>');
370: return;
371: }
372:
373: my @names = map { $consumed{$_}{'name'} } (sort(keys(%consumed)));
374: my $names = join(' ',@names);
375:
376: my $msg = &mt('Remove all of [_1] from slot [_2]?',$names,$slot_name);
377: &remove_registration_confirmation($r,$msg,['entry','slotname','context']);
378: }
379:
380: sub remove_registration_user {
381: my ($r) = @_;
382:
383: my $slot_name = $env{'form.slotname'};
384:
385: my $name = &Apache::loncommon::plainname($env{'form.uname'},
386: $env{'form.udom'});
387:
388: my $title = &Apache::lonnet::gettitle($env{'form.symb'});
389:
390: my $msg = &mt('Remove [_1] from slot [_2] for [_3]',
391: $name,$slot_name,$title);
392:
393: &remove_registration_confirmation($r,$msg,['uname','udom','slotname',
394: 'entry','symb','context']);
395: }
396:
397: sub remove_registration_confirmation {
398: my ($r,$msg,$inputs) =@_;
399:
400: my $hidden_input;
401: foreach my $parm (@{$inputs}) {
402: $hidden_input .=
403: '<input type="hidden" name="'.$parm.'" value="'
404: .&HTML::Entities::encode($env{'form.'.$parm},'"<>&\'').'" />'."\n";
405: }
406: my %lt = &Apache::lonlocal::texthash(
407: 'yes' => 'Yes',
408: 'no' => 'No',
409: );
410: $r->print(<<"END_CONFIRM");
411: <p> $msg </p>
412: <form action="/adm/slotrequest" method="post">
413: <input type="hidden" name="command" value="release" />
414: <input type="hidden" name="button" value="yes" />
415: $hidden_input
416: <input type="submit" value="$lt{'yes'}" />
417: </form>
418: <form action="/adm/slotrequest" method="post">
419: <input type="hidden" name="command" value="showslots" />
420: <input type="submit" value="$lt{'no'}" />
421: </form>
422: END_CONFIRM
423:
424: }
425:
426: sub release_all_slot {
427: my ($r,$mgr)=@_;
428:
429: my $slot_name = $env{'form.slotname'};
430:
431: my ($cnum,$cdom)=&get_course();
432:
433: my %consumed=&Apache::lonnet::dump('slot_reservations',$cdom,$cnum,
434: "^$slot_name\0");
435:
436: $r->print('<p>'.&mt('Releasing reservations').'</p>');
437:
438: foreach my $entry (sort { $consumed{$a}{'name'} cmp
439: $consumed{$b}{'name'} } (keys(%consumed))) {
440: my ($uname,$udom) = split(':',$consumed{$entry}{'name'});
441: my ($result,$msg) =
442: &release_reservation($slot_name,$uname,$udom,
443: $consumed{$entry}{'symb'},$mgr);
444: if (!$result) {
445: $r->print('<p><span class="LC_error">'.&mt($msg).'</span></p>');
446: } else {
447: $r->print("<p>$msg</p>");
448: }
449: $r->rflush();
450: }
451: $r->print('<p><a href="/adm/slotrequest?command=showslots">'.
452: &mt('Return to slot list').'</a></p>');
453: &return_link($r);
454: }
455:
456: sub release_slot {
457: my ($r,$symb,$slot_name,$inhibit_return_link,$mgr)=@_;
458:
459: if ($slot_name eq '') { $slot_name=$env{'form.slotname'}; }
460:
461: my ($uname,$udom) = ($env{'user.name'}, $env{'user.domain'});
462: if ($mgr eq 'F'
463: && defined($env{'form.uname'}) && defined($env{'form.udom'})) {
464: ($uname,$udom) = ($env{'form.uname'}, $env{'form.udom'});
465: }
466:
467: if ($mgr eq 'F'
468: && defined($env{'form.symb'})) {
469: $symb = &unescape($env{'form.symb'});
470: }
471:
472: my ($result,$msg) =
473: &release_reservation($slot_name,$uname,$udom,$symb,$mgr);
474: if (!$result) {
475: $r->print('<p><span class="LC_error">'.&mt($msg).'</span></p>');
476: } else {
477: $r->print("<p>$msg</p>");
478: }
479:
480: if ($mgr eq 'F') {
481: $r->print('<p><a href="/adm/slotrequest?command=showslots">'.
482: &mt('Return to slot list').'</a></p>');
483: }
484:
485: if (!$inhibit_return_link) { &return_link($r); }
486: return $result;
487: }
488:
489: sub release_reservation {
490: my ($slot_name,$uname,$udom,$symb,$mgr) = @_;
491: my %slot=&Apache::lonnet::get_slot($slot_name);
492: my $description=&get_description($slot_name,\%slot);
493:
494: if ($mgr ne 'F') {
495: if ($slot{'starttime'} < time) {
496: return (0,&mt('Not allowed to release Reservation: [_1], as it has already ended.',$description));
497: }
498: }
499:
500: # if the reservation symb is for a map get a resource in that map
501: # to check slot parameters on
502: my $navmap=Apache::lonnavmaps::navmap->new;
503: if (!defined($navmap)) {
504: return (0,'error: Unable to determine current status');
505: }
506: my $passed_resource = $navmap->getBySymb($symb);
507: if ($passed_resource->is_map()) {
508: my ($a_resource) =
509: $navmap->retrieveResources($passed_resource,
510: sub {$_[0]->is_problem()},0,1);
511: $symb = $a_resource->symb();
512: }
513:
514: # get parameter string, check for existance, rebuild string with the slot
515: my $student = &Apache::lonnet::EXT("resource.0.availablestudent",
516: $symb,$udom,$uname);
517: my @slots = split(/:/,$student);
518:
519: my @new_slots;
520: foreach my $exist_slot (@slots) {
521: if ($exist_slot eq $slot_name) { next; }
522: push(@new_slots,$exist_slot);
523: }
524: my $new_param = join(':',@new_slots);
525:
526: my ($cnum,$cdom)=&get_course();
527:
528: # get slot reservations, check if user has one, if so remove reservation
529: my %consumed=&Apache::lonnet::dump('slot_reservations',$cdom,$cnum,
530: "^$slot_name\0");
531: foreach my $entry (keys(%consumed)) {
532: if ( $consumed{$entry}->{'name'} eq ($uname.':'.$udom) ) {
533: &Apache::lonnet::del('slot_reservations',[$entry],
534: $cdom,$cnum);
535: my %storehash = (
536: symb => $symb,
537: slot => $slot_name,
538: action => 'release',
539: context => $env{'form.context'},
540: );
541: &Apache::lonnet::write_log('slotreservationslog',\%storehash,
542: 1,$uname,$udom,$cnum,$cdom);
543: &Apache::lonnet::write_log($cdom.'_'.$cnum.'_slotlog',\%storehash,
544: 1,$uname,$udom,$uname,$udom);
545: }
546: }
547:
548: my $use_slots = &Apache::lonnet::EXT("resource.0.useslots",
549: $symb,$udom,$uname);
550: &Apache::lonxml::debug("use_slots is $use_slots<br />");
551:
552: if (&Apache::lonnet::error($use_slots)) {
553: return (0,'error: Unable to determine current status');
554: }
555:
556: my $parm_level = 1;
557: if ($use_slots eq 'map' || $use_slots eq 'map_map') {
558: $parm_level = 2;
559: }
560: # store new parameter string
561: my $result=&Apache::lonparmset::storeparm_by_symb($symb,
562: '0_availablestudent',
563: $parm_level, $new_param,
564: 'string', $uname, $udom);
565: my $msg;
566: if ($mgr eq 'F') {
567: $msg = &mt('Released Reservation for user: [_1]',"$uname:$udom");
568: } else {
569: $msg = '<span style="font-weight: bold;">'.&mt('Released reservation: [_1]',$description).'</span><br /><br />';
570: my $person = &Apache::loncommon::plainname($env{'user.name'},$env{'user.domain'});
571: my $subject = &mt('Reservation change: [_1]',$description);
572: my $msgbody = &mt('Reservation released by [_1] for [_2].',$person,$description);
573: $msg .= &slot_change_messaging($slot{'reservationmsg'},$subject,$msgbody,'release');
574: }
575: return (1,$msg);
576: }
577:
578: sub delete_slot {
579: my ($r)=@_;
580:
581: my $slot_name = $env{'form.slotname'};
582: my %slot=&Apache::lonnet::get_slot($slot_name);
583:
584: my ($cnum,$cdom)=&get_course();
585: my %consumed=&Apache::lonnet::dump('slot_reservations',$cdom,$cnum,
586: "^$slot_name\0");
587: my ($tmp) = %consumed;
588: if ($tmp =~ /error: 2/) { undef(%consumed); }
589:
590: if (%slot && !%consumed) {
591: $slot{'type'} = 'deleted';
592: my $ret = &Apache::lonnet::cput('slots', {$slot_name => \%slot},
593: $cdom, $cnum);
594: if ($ret eq 'ok') {
595: $r->print('<p>'.&mt('Slot [_1] marked as deleted.','<tt>'.$slot_name.'</tt>').'</p>');
596: } else {
597: $r->print('<p><span class="LC_error">'.&mt('An error occurred when attempting to delete slot: [_1]','<tt>'.$slot_name.'</tt>')." ($ret)</span></p>");
598: }
599: } else {
600: if (%consumed) {
601: $r->print('<p>'.&mt('Slot [_1] has active reservations.','<tt>'.$slot_name.'</tt>').'</p>');
602: } else {
603: $r->print('<p>'.&mt('Slot [_1] does not exist.','<tt>'.$slot_name.'</tt>').'</p>');
604: }
605: }
606: $r->print('<p><a href="/adm/slotrequest?command=showslots">'.
607: &mt('Return to slot list').'</a></p>');
608: &return_link($r);
609: }
610:
611: sub return_link {
612: my ($r) = @_;
613: if (($env{'form.command'} eq 'manageresv') || ($env{'form.context'} eq 'usermanage')) {
614: $r->print('<p><a href="/adm/slotrequest?command=manageresv">'.
615: &mt('Return to reservations'));
616: } else {
617: $r->print('<p><a href="/adm/flip?postdata=return:">'.
618: &mt('Return to last resource').'</a></p>');
619: }
620: }
621:
622: sub get_slot {
623: my ($r,$symb,$conflictable_slot,$inhibit_return_link)=@_;
624:
625: my %slot=&Apache::lonnet::get_slot($env{'form.slotname'});
626: my $slot_name=&check_for_conflict($symb,$env{'form.slotname'},\%slot);
627:
628: if ($slot_name =~ /^error: (.*)/) {
629: $r->print('<p><span class="LC_error">'
630: .&mt('An error occurred while attempting to make a reservation. ([_1])',$1)
631: .'</span></p>');
632: &return_link($r);
633: return 0;
634: }
635: if ($slot_name && $slot_name ne $conflictable_slot) {
636: my %slot=&Apache::lonnet::get_slot($slot_name);
637: my $description1=&get_description($slot_name,\%slot);
638: %slot=&Apache::lonnet::get_slot($env{'form.slotname'});
639: my $description2=&get_description($env{'form.slotname'},\%slot);
640: if ($slot_name ne $env{'form.slotname'}) {
641: $r->print(<<STUFF);
642: <form method="post" action="/adm/slotrequest">
643: <input type="hidden" name="symb" value="$env{'form.symb'}" />
644: <input type="hidden" name="slotname" value="$env{'form.slotname'}" />
645: <input type="hidden" name="releaseslot" value="$slot_name" />
646: <input type="hidden" name="command" value="change" />
647: STUFF
648: $r->print('<p class="LC_error">'.&mt('Reservation currently unchanged').'</p>');
649: if ($slot_name ne '') {
650: $r->print('<p>'.&mt('To complete the transaction you [_1]must confirm[_2] you want to [_3]process the change[_4] to [_5].'
651: ,'<b>','</b>','<i>','</i>','<b>'.$description2.'</b>')
652: .'<br />'
653: .&mt('Or you can choose to [_1]make no change[_2] and continue[_2] with the reservation you already had: [_3].'
654: ,'<i>','</i>','<b>'.$description1.'</b>')
655: .'</p><p><span class="LC_nobreak">'
656: .'<input type="submit" name="change" value="'.&mt('Process the change').'" />'
657: .(' 'x3)
658: .'<input type="submit" name="nochange" value="'.&mt('Make no change').'" />'
659: .'</span></p>');
660: }
661: $r->print(<<STUFF);
662: </form>
663: STUFF
664: } else {
665: $r->print('<p>'.&mt('Already have a reservation: [_1].',$description1).'</p>');
666: &return_link($r);
667: }
668: return 0;
669: }
670:
671: my ($cnum,$cdom)=&get_course();
672: my $reserved=&make_reservation($env{'form.slotname'},
673: \%slot,$symb,$cnum,$cdom);
674: my $description=&get_description($env{'form.slotname'},\%slot);
675: if (defined($reserved)) {
676: my $retvalue = 0;
677: if ($slot_name =~ /^error: (.*)/) {
678: $r->print('<p><span class="LC_error">'
679: .&mt('An error occurred while attempting to make a reservation. ([_1])',$1)
680: .'</span></p>');
681: } elsif ($reserved > -1) {
682: $r->print('<p style="font-weight: bold;">'.&mt('Successfully signed up: [_1]',$description).'</p>');
683: $retvalue = 1;
684: my $person = &Apache::loncommon::plainname($env{'user.name'},$env{'user.domain'});
685: my $subject = &mt('Reservation change: [_1]',$description);
686: my $msgbody = &mt('Successful reservation by [_1] for [_2].',$person,$description);
687: my $msg = &slot_change_messaging($slot{'reservationmsg'},$subject,$msgbody,'reserve');
688: if ($msg) {
689: $r->print($msg);
690: }
691: } elsif ($reserved < 0) {
692: $r->print('<p>'.&mt('Already reserved: [_1]',$description).'</p>');
693: }
694: if (!$inhibit_return_link) { &return_link($r); }
695: return 1;
696: }
697:
698: my %lt = &Apache::lonlocal::texthash(
699: 'request' => 'Availibility list',
700: 'try' => 'Try again?',
701: 'or' => 'or',
702: );
703:
704: my $extra_input;
705: if ($conflictable_slot) {
706: $extra_input='<input type="hidden" name="releaseslot" value="'.$env{'form.slotname'}.'" />';
707: }
708:
709: $r->print('<p>'.&mt('[_1]Failed[_2] to reserve a slot for [_3].','<span class="LC_warning">','</span>',$description).'</p>');
710: $r->print(<<STUFF);
711: <p>
712: <form method="post" action="/adm/slotrequest">
713: <input type="submit" name="Try Again" value="$lt{'try'}" />
714: <input type="hidden" name="symb" value="$env{'form.symb'}" />
715: <input type="hidden" name="slotname" value="$env{'form.slotname'}" />
716: <input type="hidden" name="command" value="$env{'form.command'}" />
717: $extra_input
718: </form>
719: </p>
720: <p>
721: $lt{'or'}
722: <form method="post" action="/adm/slotrequest">
723: <input type="hidden" name="symb" value="$env{'form.symb'}" />
724: <input type="submit" name="requestattempt" value="$lt{'request'}" />
725: </form>
726: STUFF
727:
728: if (!$inhibit_return_link) {
729: $r->print(&mt('or').'</p>');
730: &return_link($r);
731: } else {
732: $r->print('</p>');
733: }
734: return 0;
735: }
736:
737: sub allowed_slot {
738: my ($slot_name,$slot,$symb,$slots,$consumed_uniqueperiods)=@_;
739:
740: #already started
741: if ($slot->{'starttime'} < time) {
742: return 0;
743: }
744: &Apache::lonxml::debug("$slot_name starttime good");
745:
746: #already ended
747: if ($slot->{'endtime'} < time) {
748: return 0;
749: }
750: &Apache::lonxml::debug("$slot_name endtime good");
751:
752: # not allowed to pick this one
753: if (defined($slot->{'type'})
754: && $slot->{'type'} ne 'schedulable_student') {
755: return 0;
756: }
757: &Apache::lonxml::debug("$slot_name type good");
758:
759: # reserve time not yet started
760: if ($slot->{'startreserve'} > time) {
761: return 0;
762: }
763: # reserve time ended
764: if (($slot->{'endreserve'}) &&
765: ($slot->{'endreserve'} < time)) {
766: return 0;
767: }
768: &Apache::lonxml::debug("$slot_name reserve good");
769:
770: my $userallowed=0;
771: # its for a different set of users
772: if (defined($slot->{'allowedsections'})) {
773: if (!defined($env{'request.role.sec'})
774: && grep(/^No section assigned$/,
775: split(',',$slot->{'allowedsections'}))) {
776: $userallowed=1;
777: }
778: if (defined($env{'request.role.sec'})
779: && grep(/^\Q$env{'request.role.sec'}\E$/,
780: split(',',$slot->{'allowedsections'}))) {
781: $userallowed=1;
782: }
783: if (defined($env{'request.course.groups'})) {
784: my @groups = split(/:/,$env{'request.course.groups'});
785: my @allowed_sec = split(',',$slot->{'allowedsections'});
786: foreach my $group (@groups) {
787: if (grep {$_ eq $group} (@allowed_sec)) {
788: $userallowed=1;
789: last;
790: }
791: }
792: }
793: }
794: &Apache::lonxml::debug("$slot_name sections is $userallowed");
795:
796: # its for a different set of users
797: if (defined($slot->{'allowedusers'})
798: && grep(/^\Q$env{'user.name'}:$env{'user.domain'}\E$/,
799: split(',',$slot->{'allowedusers'}))) {
800: $userallowed=1;
801: }
802:
803: if (!defined($slot->{'allowedusers'})
804: && !defined($slot->{'allowedsections'})) {
805: $userallowed=1;
806: }
807:
808: &Apache::lonxml::debug("$slot_name user is $userallowed");
809: return 0 if (!$userallowed);
810:
811: # not allowed for this resource
812: if (defined($slot->{'symb'})
813: && $slot->{'symb'} ne $symb) {
814: return 0;
815: }
816:
817: my $conflict = &check_for_conflict($symb,$slot_name,$slot,$slots,
818: $consumed_uniqueperiods);
819: if ($conflict =~ /^error: /) {
820: return 0;
821: } elsif ($conflict ne '') {
822: if ($slots->{$conflict}{'starttime'} < time) {
823: return 0;
824: }
825: }
826: &Apache::lonxml::debug("$slot_name symb good");
827: return 1;
828: }
829:
830: sub get_description {
831: my ($slot_name,$slot)=@_;
832: my $description=$slot->{'description'};
833: if (!defined($description)) {
834: $description=&mt('[_1] From [_2] to [_3]',$slot_name,
835: &Apache::lonlocal::locallocaltime($slot->{'starttime'}),
836: &Apache::lonlocal::locallocaltime($slot->{'endtime'}));
837: }
838: return $description;
839: }
840:
841: sub show_choices {
842: my ($r,$symb,$formname)=@_;
843:
844: my ($cnum,$cdom)=&get_course();
845: my %slots = &Apache::lonnet::get_course_slots($cnum,$cdom);
846: my $consumed_uniqueperiods = &get_consumed_uniqueperiods(\%slots);
847: if (ref($consumed_uniqueperiods) eq 'HASH') {
848: if (&Apache::lonnet::error(%$consumed_uniqueperiods)) {
849: $r->print('<span class="LC_error">'.
850: &mt('An error occurred determining slot availability').
851: '</span>');
852: return;
853: }
854: } elsif ($consumed_uniqueperiods =~ /^error: /) {
855: $r->print('<span class="LC_error">'.
856: &mt('An error occurred determining slot availability').
857: '</span>');
858: return;
859: }
860: my (@available,$output);
861: &Apache::lonxml::debug("Checking Slots");
862: my @got_slots=&check_for_reservation($symb,'allslots');
863: if ($got_slots[0] =~ /^error: /) {
864: $r->print('<span class="LC_error">'.
865: &mt('An error occurred determining slot availability').
866: '</span>');
867: return;
868: }
869: foreach my $slot (sort
870: { return $slots{$a}->{'starttime'} <=> $slots{$b}->{'starttime'} }
871: (keys(%slots))) {
872:
873: &Apache::lonxml::debug("Checking Slot $slot");
874: next if (!&allowed_slot($slot,$slots{$slot},$symb,\%slots,
875: $consumed_uniqueperiods));
876:
877: push(@available,$slot);
878: }
879: if (!@available) {
880: $output = '<div class="LC_info">'.&mt('No available times.');
881: if ($env{'form.command'} ne 'manageresv') {
882: $output .= ' <a href="/adm/flip?postdata=return:">'.
883: &mt('Return to last resource').'</a>';
884: }
885: $output .= '</div>';
886: $r->print($output);
887: return;
888: }
889: if ($env{'form.command'} eq 'manageresv') {
890: $output = '<table border="0">';
891: } else {
892: $output = &Apache::loncommon::start_data_table();
893: }
894: foreach my $slot (@available) {
895: my $description=&get_description($slot,$slots{$slot});
896: my $form;
897: if ((grep(/^\Q$slot\E$/,@got_slots)) ||
898: &space_available($slot,$slots{$slot},$symb)) {
899: my $text=&mt('Select');
900: my $command='get';
901: if (grep(/^\Q$slot\E$/,@got_slots)) {
902: $text=&mt('Drop Reservation');
903: $command='release';
904: } else {
905: my $conflict = &check_for_conflict($symb,$slot,$slots{$slot},
906: \%slots,
907: $consumed_uniqueperiods);
908: if ($conflict) {
909: if ($conflict =~ /^error: /) {
910: $form = '<span class="LC_error">'.
911: &mt('Slot: [_1] has unknown status.',$description).
912: '</span>';
913: } else {
914: $text=&mt('Change Reservation');
915: $command='get';
916: }
917: }
918: }
919: my $escsymb=&escape($symb);
920: if (!$form) {
921: if ($formname) {
922: $formname = 'name="'.$formname.'" ';
923: }
924: my $context = 'user';
925: if ($env{'form.command'} eq 'manageresv') {
926: $context = 'usermanage';
927: }
928: $form=<<STUFF;
929: <form method="post" action="/adm/slotrequest" $formname>
930: <input type="submit" name="Select" value="$text" />
931: <input type="hidden" name="symb" value="$escsymb" />
932: <input type="hidden" name="slotname" value="$slot" />
933: <input type="hidden" name="command" value="$command" />
934: <input type="hidden" name="context" value="$context" />
935: </form>
936: STUFF
937: }
938: } else {
939: $form = &mt('Unavailable');
940: }
941: if ($env{'form.command'} eq 'manageresv') {
942: $output .= '<tr>';
943: } else {
944: $output .= &Apache::loncommon::start_data_table_row();
945: }
946: $output .= "
947: <td>$form</td>
948: <td>$description</td>\n";
949: if ($env{'form.command'} eq 'manageresv') {
950: $output .= '</tr>';
951: } else {
952: $output .= &Apache::loncommon::end_data_table_row();
953: }
954: }
955: if ($env{'form.command'} eq 'manageresv') {
956: $output .= '</table>';
957: } else {
958: $output .= &Apache::loncommon::end_data_table();
959: }
960: $r->print($output);
961: }
962:
963: sub to_show {
964: my ($slotname,$slot,$when,$deleted,$name) = @_;
965: my $time=time;
966: my $week=60*60*24*7;
967:
968: if ($deleted eq 'hide' && $slot->{'type'} eq 'deleted') {
969: return 0;
970: }
971:
972: if ($name && $name->{'value'} =~ /\w/) {
973: if ($name->{'type'} eq 'substring') {
974: if ($slotname !~ /\Q$name->{'value'}\E/) {
975: return 0;
976: }
977: }
978: if ($name->{'type'} eq 'exact') {
979: if ($slotname eq $name->{'value'}) {
980: return 0;
981: }
982: }
983: }
984:
985: if ($when eq 'any') {
986: return 1;
987: } elsif ($when eq 'now') {
988: if ($time > $slot->{'starttime'} &&
989: $time < $slot->{'endtime'}) {
990: return 1;
991: }
992: return 0;
993: } elsif ($when eq 'nextweek') {
994: if ( ($time < $slot->{'starttime'} &&
995: ($time+$week) > $slot->{'starttime'})
996: ||
997: ($time < $slot->{'endtime'} &&
998: ($time+$week) > $slot->{'endtime'}) ) {
999: return 1;
1000: }
1001: return 0;
1002: } elsif ($when eq 'lastweek') {
1003: if ( ($time > $slot->{'starttime'} &&
1004: ($time-$week) < $slot->{'starttime'})
1005: ||
1006: ($time > $slot->{'endtime'} &&
1007: ($time-$week) < $slot->{'endtime'}) ) {
1008: return 1;
1009: }
1010: return 0;
1011: } elsif ($when eq 'willopen') {
1012: if ($time < $slot->{'starttime'}) {
1013: return 1;
1014: }
1015: return 0;
1016: } elsif ($when eq 'wereopen') {
1017: if ($time > $slot->{'endtime'}) {
1018: return 1;
1019: }
1020: return 0;
1021: }
1022:
1023: return 1;
1024: }
1025:
1026: sub remove_link {
1027: my ($slotname,$entry,$uname,$udom,$symb) = @_;
1028:
1029: my $remove = &mt('Remove');
1030:
1031: if ($entry eq 'remove all') {
1032: $remove = &mt('Remove All');
1033: undef($uname);
1034: undef($udom);
1035: }
1036:
1037: $slotname = &escape($slotname);
1038: $entry = &escape($entry);
1039: $uname = &escape($uname);
1040: $udom = &escape($udom);
1041: $symb = &escape($symb);
1042:
1043: return <<"END_LINK";
1044: <a href="/adm/slotrequest?command=remove_registration&slotname=$slotname&entry=$entry&uname=$uname&udom=$udom&symb=$symb&context=manage"
1045: >($remove)</a>
1046: END_LINK
1047:
1048: }
1049:
1050: sub show_table {
1051: my ($r,$mgr)=@_;
1052:
1053: my ($cnum,$cdom)=&get_course();
1054: my $crstype=&Apache::loncommon::course_type($cdom.'_'.$cnum);
1055: my %slots=&Apache::lonnet::dump('slots',$cdom,$cnum);
1056: if ( (keys(%slots))[0] =~ /^error: 2 /) {
1057: undef(%slots);
1058: }
1059: my $available;
1060: if ($mgr eq 'F') {
1061: # FIXME: This line should be deleted once Slots uses breadcrumbs
1062: $r->print(&Apache::loncommon::help_open_topic('Slot About', 'Help on slots'));
1063:
1064: $r->print('<div>');
1065: $r->print('<form method="post" action="/adm/slotrequest">
1066: <input type="hidden" name="command" value="uploadstart" />
1067: <input type="submit" name="start" value="'.&mt('Upload Slot List').'" />
1068: </form>');
1069: $r->print(&Apache::loncommon::help_open_topic('Slot CommaDelimited'));
1070: $r->print('<form method="post" action="/adm/helper/newslot.helper">
1071: <input type="submit" name="newslot" value="'.&mt('Create a New Slot').'" />
1072: </form>');
1073: $r->print(&Apache::loncommon::help_open_topic('Slot AddInterface'));
1074: $r->print('</div>');
1075: }
1076:
1077: if (!keys(%slots)) {
1078: if ($crstype eq 'Community') {
1079: $r->print('<div>'.&mt('No slots have been created in this community.').'</div>');
1080: } else {
1081: $r->print('<div>'.&mt('No slots have been created in this course.').'</div>');
1082: }
1083: return;
1084: }
1085:
1086: my %Saveable_Parameters = ('show' => 'array',
1087: 'when' => 'scalar',
1088: 'order' => 'scalar',
1089: 'deleted' => 'scalar',
1090: 'name_filter_type' => 'scalar',
1091: 'name_filter_value' => 'scalar',
1092: );
1093: &Apache::loncommon::store_course_settings('slotrequest',
1094: \%Saveable_Parameters);
1095: &Apache::loncommon::restore_course_settings('slotrequest',
1096: \%Saveable_Parameters);
1097: &Apache::grades::init_perm();
1098: my ($classlist,$section,$fullname)=&Apache::grades::getclasslist('all');
1099: &Apache::grades::reset_perm();
1100:
1101: # what to display filtering
1102: my %show_fields=&Apache::lonlocal::texthash(
1103: 'name' => 'Slot Name',
1104: 'description' => 'Description',
1105: 'type' => 'Type',
1106: 'starttime' => 'Start time',
1107: 'endtime' => 'End Time',
1108: 'startreserve' => 'Time students can start reserving',
1109: 'endreserve' => 'Time students can no longer reserve',
1110: 'reservationmsg' => 'Message triggered by reservation',
1111: 'secret' => 'Secret Word',
1112: 'space' => '# of students/max',
1113: 'ip' => 'IP or DNS restrictions',
1114: 'symb' => 'Resource slot is restricted to.',
1115: 'allowedsections' => 'Sections slot is restricted to.',
1116: 'allowedusers' => 'Users slot is restricted to.',
1117: 'uniqueperiod' => 'Period of time slot is unique',
1118: 'scheduled' => 'Scheduled Students',
1119: 'proctor' => 'List of proctors');
1120: if ($crstype eq 'Community') {
1121: $show_fields{'startreserve'} = &mt('Time members can start reserving');
1122: $show_fields{'endreserve'} = &mt('Time members can no longer reserve');
1123: $show_fields{'scheduled'} = &mt('Scheduled Members');
1124: }
1125: my @show_order=('name','description','type','starttime','endtime',
1126: 'startreserve','endreserve','reservationmsg','secret','space',
1127: 'ip','symb','allowedsections','allowedusers','uniqueperiod',
1128: 'scheduled','proctor');
1129: my @show =
1130: (exists($env{'form.show'})) ? &Apache::loncommon::get_env_multiple('form.show')
1131: : keys(%show_fields);
1132: my %show = map { $_ => 1 } (@show);
1133:
1134: #when filtering setup
1135: my %when_fields=&Apache::lonlocal::texthash(
1136: 'now' => 'Open now',
1137: 'nextweek' => 'Open within the next week',
1138: 'lastweek' => 'Were open last week',
1139: 'willopen' => 'Will open later',
1140: 'wereopen' => 'Were open',
1141: 'any' => 'Anytime',
1142: );
1143: my @when_order=('any','now','nextweek','lastweek','willopen','wereopen');
1144: $when_fields{'select_form_order'} = \@when_order;
1145: my $when = (exists($env{'form.when'})) ? $env{'form.when'}
1146: : 'now';
1147:
1148: #display of students setup
1149: my %stu_display_fields=
1150: &Apache::lonlocal::texthash('username' => 'User name',
1151: 'fullname' => 'Full name',
1152: );
1153: my @stu_display_order=('fullname','username');
1154: my @stu_display =
1155: (exists($env{'form.studisplay'})) ? &Apache::loncommon::get_env_multiple('form.studisplay')
1156: : keys(%stu_display_fields);
1157: my %stu_display = map { $_ => 1 } (@stu_display);
1158:
1159: #name filtering setup
1160: my %name_filter_type_fields=
1161: &Apache::lonlocal::texthash('substring' => 'Substring',
1162: 'exact' => 'Exact',
1163: #'reg' => 'Regular Expression',
1164: );
1165: my @name_filter_type_order=('substring','exact');
1166:
1167: $name_filter_type_fields{'select_form_order'} = \@name_filter_type_order;
1168: my $name_filter_type =
1169: (exists($env{'form.name_filter_type'})) ? $env{'form.name_filter_type'}
1170: : 'substring';
1171: my $name_filter = {'type' => $name_filter_type,
1172: 'value' => $env{'form.name_filter_value'},};
1173:
1174:
1175: #deleted slot filtering
1176: #default to hide if no value
1177: $env{'form.deleted'} ||= 'hide';
1178: my $hide_radio =
1179: &Apache::lonhtmlcommon::radio('deleted',$env{'form.deleted'},'hide');
1180: my $show_radio =
1181: &Apache::lonhtmlcommon::radio('deleted',$env{'form.deleted'},'show');
1182:
1183: $r->print('<form method="post" action="/adm/slotrequest">
1184: <input type="hidden" name="command" value="showslots" />');
1185: $r->print('<div>');
1186: $r->print('<table class="inline">
1187: <tr><th>'.&mt('Show').'</th>
1188: <th>'.&mt('Student Display').'</th>
1189: <th>'.&mt('Open').'</th>
1190: <th>'.&mt('Slot Name Filter').'</th>
1191: <th>'.&mt('Options').'</th>
1192: </tr>
1193: <tr><td valign="top">'.&Apache::loncommon::multiple_select_form('show',\@show,6,\%show_fields,\@show_order).
1194: '</td>
1195: <td valign="top">
1196: '.&Apache::loncommon::multiple_select_form('studisplay',\@stu_display,
1197: 6,\%stu_display_fields,
1198: \@stu_display_order).'
1199: </td>
1200: <td valign="top">'.&Apache::loncommon::select_form($when,'when',\%when_fields).
1201: '</td>
1202: <td valign="top">'.&Apache::loncommon::select_form($name_filter_type,
1203: 'name_filter_type',
1204: \%name_filter_type_fields).
1205: '<br />'.
1206: &Apache::lonhtmlcommon::textbox('name_filter_value',
1207: $env{'form.name_filter_value'},
1208: 15).
1209: '</td>
1210: <td valign="top">
1211: <table>
1212: <tr>
1213: <td rowspan="2">Deleted slots:</td>
1214: <td><label>'.$show_radio.'Show</label></td>
1215: </tr>
1216: <tr>
1217: <td><label>'.$hide_radio.'Hide</label></td>
1218: </tr>
1219: </table>
1220: </td>
1221: </tr>
1222: </table>');
1223: $r->print('</div>');
1224: $r->print('<p><input type="submit" name="start" value="'.&mt('Update Display').'" /></p>');
1225: my $linkstart='<a href="/adm/slotrequest?command=showslots&order=';
1226: $r->print(&Apache::loncommon::start_data_table().
1227: &Apache::loncommon::start_data_table_header_row().'
1228: <th></th>');
1229: foreach my $which (@show_order) {
1230: if ($which ne 'proctor' && exists($show{$which})) {
1231: $r->print('<th>'.$linkstart.$which.'">'.$show_fields{$which}.'</a></th>');
1232: }
1233: }
1234: $r->print(&Apache::loncommon::end_data_table_header_row());
1235:
1236: my %name_cache;
1237: my $slotsort = sub {
1238: if ($env{'form.order'}=~/^(type|description|endtime|startreserve|endreserve|ip|symb|allowedsections|allowedusers|reservationmsg)$/) {
1239: if (lc($slots{$a}->{$env{'form.order'}})
1240: ne lc($slots{$b}->{$env{'form.order'}})) {
1241: return (lc($slots{$a}->{$env{'form.order'}})
1242: cmp lc($slots{$b}->{$env{'form.order'}}));
1243: }
1244: } elsif ($env{'form.order'} eq 'space') {
1245: if ($slots{$a}{'maxspace'} ne $slots{$b}{'maxspace'}) {
1246: return ($slots{$a}{'maxspace'} cmp $slots{$b}{'maxspace'});
1247: }
1248: } elsif ($env{'form.order'} eq 'name') {
1249: if (lc($a) cmp lc($b)) {
1250: return lc($a) cmp lc($b);
1251: }
1252: } elsif ($env{'form.order'} eq 'uniqueperiod') {
1253:
1254: if ($slots{$a}->{'uniqueperiod'}[0]
1255: ne $slots{$b}->{'uniqueperiod'}[0]) {
1256: return ($slots{$a}->{'uniqueperiod'}[0]
1257: cmp $slots{$b}->{'uniqueperiod'}[0]);
1258: }
1259: if ($slots{$a}->{'uniqueperiod'}[1]
1260: ne $slots{$b}->{'uniqueperiod'}[1]) {
1261: return ($slots{$a}->{'uniqueperiod'}[1]
1262: cmp $slots{$b}->{'uniqueperiod'}[1]);
1263: }
1264: }
1265: return $slots{$a}->{'starttime'} <=> $slots{$b}->{'starttime'};
1266: };
1267:
1268: my %consumed;
1269: if (exists($show{'scheduled'}) || exists($show{'space'}) ) {
1270: %consumed=&Apache::lonnet::dump('slot_reservations',$cdom,$cnum);
1271: my ($tmp)=%consumed;
1272: if ($tmp =~ /^error: /) { undef(%consumed); }
1273: }
1274:
1275: my %msgops = &slot_reservationmsg_options();
1276:
1277: foreach my $slot (sort $slotsort (keys(%slots))) {
1278: if (!&to_show($slot,$slots{$slot},$when,
1279: $env{'form.deleted'},$name_filter)) { next; }
1280: my $reservemsg;
1281: if (defined($slots{$slot}->{'type'})
1282: && $slots{$slot}->{'type'} eq 'schedulable_student') {
1283: $reservemsg = $msgops{$slots{$slot}->{'reservationmsg'}};
1284: }
1285: my $description=&get_description($slot,$slots{$slot});
1286: my ($id_count,$ids);
1287:
1288: if (exists($show{'scheduled'}) || exists($show{'space'}) ) {
1289: my $re_str = "$slot\0";
1290: my @this_slot = grep(/^\Q$re_str\E/,keys(%consumed));
1291: $id_count = scalar(@this_slot);
1292: if (exists($show{'scheduled'})) {
1293: foreach my $entry (sort { $consumed{$a}{name} cmp
1294: $consumed{$b}{name} }
1295: (@this_slot)) {
1296: my (undef,$id)=split("\0",$entry);
1297: my ($uname,$udom) = split(':',$consumed{$entry}{'name'});
1298: $ids.= '<span class="LC_nobreak">';
1299: foreach my $item (@stu_display_order) {
1300: if ($stu_display{$item}) {
1301: if ($item eq 'fullname') {
1302: $ids.=$fullname->{"$uname:$udom"}.' ';
1303: } elsif ($item eq 'username') {
1304: $ids.="<tt>$uname:$udom</tt> ";
1305: }
1306: }
1307: }
1308: $ids.=&remove_link($slot,$entry,$uname,$udom,
1309: $consumed{$entry}{'symb'}).'</span><br />';
1310: }
1311: }
1312: }
1313:
1314: my $start=($slots{$slot}->{'starttime'}?
1315: &Apache::lonlocal::locallocaltime($slots{$slot}->{'starttime'}):'');
1316: my $end=($slots{$slot}->{'endtime'}?
1317: &Apache::lonlocal::locallocaltime($slots{$slot}->{'endtime'}):'');
1318: my $start_reserve=($slots{$slot}->{'startreserve'}?
1319: &Apache::lonlocal::locallocaltime($slots{$slot}->{'startreserve'}):'');
1320: my $end_reserve=($slots{$slot}->{'endreserve'}?
1321: &Apache::lonlocal::locallocaltime($slots{$slot}->{'endreserve'}):'');
1322:
1323: my $unique;
1324: if (ref($slots{$slot}{'uniqueperiod'})) {
1325: $unique=localtime($slots{$slot}{'uniqueperiod'}[0]).', '.
1326: localtime($slots{$slot}{'uniqueperiod'}[1]);
1327: }
1328:
1329: my $title;
1330: if (exists($slots{$slot}{'symb'})) {
1331: my (undef,undef,$res)=
1332: &Apache::lonnet::decode_symb($slots{$slot}{'symb'});
1333: $res = &Apache::lonnet::clutter($res);
1334: $title = &Apache::lonnet::gettitle($slots{$slot}{'symb'});
1335: $title='<a href="'.$res.'?symb='.$slots{$slot}{'symb'}.'">'.$title.'</a>';
1336: }
1337:
1338: my $allowedsections;
1339: if (exists($show{'allowedsections'})) {
1340: $allowedsections =
1341: join(', ',sort(split(/\s*,\s*/,
1342: $slots{$slot}->{'allowedsections'})));
1343: }
1344:
1345: my @allowedusers;
1346: if (exists($show{'allowedusers'})) {
1347: @allowedusers= map {
1348: my ($uname,$udom)=split(/:/,$_);
1349: my $fullname=$name_cache{$_};
1350: if (!defined($fullname)) {
1351: $fullname = &Apache::loncommon::plainname($uname,$udom);
1352: $fullname =~s/\s/ /g;
1353: $name_cache{$_} = $fullname;
1354: }
1355: &Apache::loncommon::aboutmewrapper($fullname,$uname,$udom);
1356: } (sort(split(/\s*,\s*/,$slots{$slot}->{'allowedusers'})));
1357: }
1358: my $allowedusers=join(', ',@allowedusers);
1359:
1360: my @proctors;
1361: my $rowspan=1;
1362: my $colspan=1;
1363: if (exists($show{'proctor'})) {
1364: $rowspan=2;
1365: @proctors= map {
1366: my ($uname,$udom)=split(/:/,$_);
1367: my $fullname=$name_cache{$_};
1368: if (!defined($fullname)) {
1369: $fullname = &Apache::loncommon::plainname($uname,$udom);
1370: $fullname =~s/\s/ /g;
1371: $name_cache{$_} = $fullname;
1372: }
1373: &Apache::loncommon::aboutmewrapper($fullname,$uname,$udom);
1374: } (sort(split(/\s*,\s*/,$slots{$slot}->{'proctor'})));
1375: }
1376: my $proctors=join(', ',@proctors);
1377:
1378: my %lt = &Apache::lonlocal::texthash (
1379: edit => 'Edit',
1380: delete => 'Delete',
1381: slotlog => 'History',
1382: );
1383: my $edit=(<<"EDITLINK");
1384: <a href="/adm/helper/newslot.helper?name=$slot">$lt{'edit'}</a>
1385: EDITLINK
1386:
1387: my $delete=(<<"DELETELINK");
1388: <a href="/adm/slotrequest?command=delete&slotname=$slot">$lt{'delete'}</a>
1389: DELETELINK
1390:
1391: my $showlog=(<<"LOGLINK");
1392: <a href="/adm/slotrequest?command=slotlog&slotname=$slot">$lt{'slotlog'}</a>
1393: LOGLINK
1394:
1395: my $remove_all=&remove_link($slot,'remove all').'<br />';
1396:
1397: if ($ids eq '') {
1398: undef($remove_all);
1399: } else {
1400: undef($delete);
1401: }
1402: if ($slots{$slot}{'type'} ne 'schedulable_student') {
1403: undef($showlog);
1404: undef($remove_all);
1405: }
1406:
1407: my $row_start=&Apache::loncommon::start_data_table_row();
1408: my $row_end=&Apache::loncommon::end_data_table_row();
1409: $r->print($row_start.
1410: "\n<td rowspan=\"$rowspan\">$edit $delete $showlog</td>\n");
1411: if (exists($show{'name'})) {
1412: $colspan++;$r->print("<td>$slot</td>");
1413: }
1414: if (exists($show{'description'})) {
1415: $colspan++;$r->print("<td>$description</td>\n");
1416: }
1417: if (exists($show{'type'})) {
1418: $colspan++;$r->print("<td>$slots{$slot}->{'type'}</td>\n");
1419: }
1420: if (exists($show{'starttime'})) {
1421: $colspan++;$r->print("<td>$start</td>\n");
1422: }
1423: if (exists($show{'endtime'})) {
1424: $colspan++;$r->print("<td>$end</td>\n");
1425: }
1426: if (exists($show{'startreserve'})) {
1427: $colspan++;$r->print("<td>$start_reserve</td>\n");
1428: }
1429: if (exists($show{'endreserve'})) {
1430: $colspan++;$r->print("<td>$end_reserve</td>\n");
1431: }
1432: if (exists($show{'reservationmsg'})) {
1433: $colspan++;$r->print("<td>$reservemsg</td>\n");
1434: }
1435: if (exists($show{'secret'})) {
1436: $colspan++;$r->print("<td>$slots{$slot}{'secret'}</td>\n");
1437: }
1438: if (exists($show{'space'})) {
1439: my $display = $id_count;
1440: if ($slots{$slot}{'maxspace'}>0) {
1441: $display.='/'.$slots{$slot}{'maxspace'};
1442: if ($slots{$slot}{'maxspace'} <= $id_count) {
1443: $display = '<strong>'.$display.' (full) </strong>';
1444: }
1445: }
1446: $colspan++;$r->print("<td>$display</td>\n");
1447: }
1448: if (exists($show{'ip'})) {
1449: $colspan++;$r->print("<td>$slots{$slot}{'ip'}</td>\n");
1450: }
1451: if (exists($show{'symb'})) {
1452: $colspan++;$r->print("<td>$title</td>\n");
1453: }
1454: if (exists($show{'allowedsections'})) {
1455: $colspan++;$r->print("<td>$allowedsections</td>\n");
1456: }
1457: if (exists($show{'allowedusers'})) {
1458: $colspan++;$r->print("<td>$allowedusers</td>\n");
1459: }
1460: if (exists($show{'uniqueperiod'})) {
1461: $colspan++;$r->print("<td>$unique</td>\n");
1462: }
1463: if (exists($show{'scheduled'})) {
1464: $colspan++;$r->print("<td>$remove_all $ids</td>\n");
1465: }
1466: $r->print("$row_end\n");
1467: if (exists($show{'proctor'})) {
1468: $r->print(<<STUFF);
1469: $row_start
1470: <td colspan="$colspan">$proctors</td>
1471: $row_end
1472: STUFF
1473: }
1474: }
1475: $r->print(&Apache::loncommon::end_data_table().'</form>');
1476: return;
1477: }
1478:
1479: sub manage_reservations {
1480: my ($r,$crstype) = @_;
1481: my $navmap = Apache::lonnavmaps::navmap->new();
1482: $r->print('<p>'
1483: .&mt('Instructors may use a reservation system to place restrictions on when and where assignments can be worked on.')
1484: .'<br />'
1485: .&mt('One example is for management of laboratory space, which is only available at certain times, and has a limited number of seats.')
1486: .'</p>'
1487: );
1488: if (!defined($navmap)) {
1489: $r->print('<div class="LC_error">');
1490: if ($crstype eq 'Community') {
1491: $r->print(&mt('Unable to retrieve information about community contents'));
1492: } else {
1493: $r->print(&mt('Unable to retrieve information about course contents'));
1494: }
1495: $r->print('</div>');
1496: &Apache::lonnet::logthis('Manage Reservations - could not create navmap object in '.lc($crstype).':'.$env{'request.course.id'});
1497: return;
1498: }
1499: my (%parent,%shownparent,%container,%container_title,%contents);
1500: my ($depth,$count,$reservable,$lastcontainer,$rownum) = (0,0,0,0,0);
1501: my @backgrounds = ("LC_odd_row","LC_even_row");
1502: my $numcolors = scalar(@backgrounds);
1503: my $location=&Apache::loncommon::lonhttpdurl("/adm/lonIcons/whitespace_21.gif");
1504: my $slotheader = '<p>'.
1505: &mt('Your reservation status for any such assignments is listed below:').
1506: '</p>'.
1507: '<table class="LC_data_table LC_tableOfContent">'."\n";
1508: my $shownheader = 0;
1509: my $it=$navmap->getIterator(undef,undef,undef,1,undef,undef);
1510: while (my $resource = $it->next()) {
1511: if ($resource == $it->BEGIN_MAP()) {
1512: $depth++;
1513: $parent{$depth} = $lastcontainer;
1514: }
1515: if ($resource == $it->END_MAP()) {
1516: $depth--;
1517: $lastcontainer = $parent{$depth};
1518: }
1519: if (ref($resource)) {
1520: my $symb = $resource->symb();
1521: my $ressymb = $symb;
1522: $contents{$lastcontainer} ++;
1523: next if (!$resource->is_problem() && !$resource->is_sequence() &&
1524: !$resource->is_page());
1525: $count ++;
1526: if (($resource->is_sequence()) || ($resource->is_page())) {
1527: $lastcontainer = $count;
1528: $container{$lastcontainer} = $resource;
1529: $container_title{$lastcontainer} = $resource->compTitle();
1530: }
1531: if ($resource->is_problem()) {
1532: my ($useslots) = $resource->slot_control();
1533: next if (($useslots eq '') || ($useslots =~ /^\s*no\s*$/i));
1534: my ($msg,$get_choices,$slotdescription);
1535: my $title = $resource->compTitle();
1536: my $status = $resource->simpleStatus('0');
1537: my ($slot_status,$date,$slot_name) = $resource->check_for_slot('0');
1538: if ($slot_name ne '') {
1539: my %slot=&Apache::lonnet::get_slot($slot_name);
1540: $slotdescription=&get_description($slot_name,\%slot);
1541: }
1542: if ($slot_status == $resource->NOT_IN_A_SLOT) {
1543: $msg=&mt('No current reservation.');
1544: $get_choices = 1;
1545: } elsif ($slot_status == $resource->NEEDS_CHECKIN) {
1546: $msg='<span class="LC_nobreak">'.&mt('Reserved:').
1547: ' '.$slotdescription.'</span><br />'.
1548: &mt('Access requires proctor validation.');
1549: } elsif ($slot_status == $resource->WAITING_FOR_GRADE) {
1550: $msg=&mt('Submitted and currently in grading queue.');
1551: } elsif ($slot_status == $resource->CORRECT) {
1552: $msg=&mt('Problem is unavailable.');
1553: } elsif ($slot_status == $resource->RESERVED) {
1554: $msg='<span class="LC_nobreak">'.&mt('Reserved:').
1555: ' '.$slotdescription.'</span><br />'.
1556: &mt('Problem is currently available.');
1557: } elsif ($slot_status == $resource->RESERVED_LOCATION) {
1558: $msg='<span class="LC_nobreak">'.&mt('Reserved:').
1559: ' '.$slotdescription.'</span><br />'.
1560: &mt('Problem is available at a different location.');
1561: $get_choices = 1;
1562: } elsif ($slot_status == $resource->RESERVED_LATER) {
1563: $msg='<span class="LC_nobreak">'.&mt('Reserved:').
1564: ' '.$slotdescription.'</span><br />'.
1565: &mt('Problem will be available later.');
1566: $get_choices = 1;
1567: } elsif ($slot_status == $resource->RESERVABLE) {
1568: $msg=&mt('Reservation needed');
1569: $get_choices = 1;
1570: } elsif ($slot_status == $resource->RESERVABLE_LATER) {
1571: $msg=&mt('Reservation needed: will be reservable later.');
1572: } elsif ($slot_status == $resource->NOTRESERVABLE) {
1573: $msg=&mt('Reservation needed: none available.');
1574: } elsif ($slot_status == $resource->UNKNOWN) {
1575: $msg=&mt('Unable to determine status due to network problems.');
1576: } else {
1577: if ($status != $resource->OPEN) {
1578: $msg = &Apache::lonnavmaps::getDescription($resource,'0');
1579: }
1580: }
1581: $reservable ++;
1582: my $treelevel = $depth;
1583: my $higherup = $lastcontainer;
1584: if ($depth > 1) {
1585: my @maprows;
1586: while ($treelevel > 1) {
1587: if (ref($container{$higherup})) {
1588: my $res = $container{$higherup};
1589: last if (defined($shownparent{$higherup}));
1590: my $maptitle = $res->compTitle();
1591: my $type = 'sequence';
1592: if ($res->is_page()) {
1593: $type = 'page';
1594: }
1595: &show_map_row($treelevel,$location,$type,$maptitle,
1596: \@maprows);
1597: $shownparent{$higherup} = 1;
1598: }
1599: $treelevel --;
1600: $higherup = $parent{$treelevel};
1601: }
1602: foreach my $item (@maprows) {
1603: $rownum ++;
1604: my $bgcolor = $backgrounds[$rownum % $numcolors];
1605: if (!$shownheader) {
1606: $r->print($slotheader);
1607: $shownheader = 1;
1608: }
1609: $r->print('<tr class="'.$bgcolor.'">'.$item.'</tr>'."\n");
1610: }
1611: }
1612: $rownum ++;
1613: my $bgcolor = $backgrounds[$rownum % $numcolors];
1614: if (!$shownheader) {
1615: $r->print($slotheader);
1616: $shownheader = 1;
1617: }
1618: $r->print('<tr class="'.$bgcolor.'"><td>'."\n");
1619: for (my $i=0; $i<$depth; $i++) {
1620: $r->print('<img src="'.$location.'" alt="" />');
1621: }
1622: my $result = '<a href="'.$resource->src().'?symb='.$symb.'">'.
1623: '<img class="LC_contentImage" src="/adm/lonIcons/';
1624: if ($resource->is_task()) {
1625: $result .= 'task.gif" alt="'.&mt('Task');
1626: } else {
1627: $result .= 'problem.gif" alt="'.&mt('Problem');
1628: }
1629: $result .= '" /><b>'.$title.'</b></a>'.(' ' x6).'</td>';
1630: my $hasaction;
1631: if ($status == $resource->OPEN) {
1632: if ($get_choices) {
1633: $hasaction = 1;
1634: }
1635: }
1636: if ($hasaction) {
1637: $result .= '<td valgn="middle">'.$msg.'</td>'.
1638: '<td valign="middle">'.(' ' x6);
1639: } else {
1640: $result .= '<td colspan="2" valign="middle">'.$msg.'</td>';
1641: }
1642: $r->print($result);
1643: if ($hasaction) {
1644: my $formname = 'manageres_'.$reservable;
1645: &show_choices($r,$symb,$formname);
1646: $r->print('</td>');
1647: }
1648: $r->print('</tr>');
1649: }
1650: }
1651: }
1652: if ($shownheader) {
1653: $r->print('</table>');
1654: }
1655: if (!$reservable) {
1656: $r->print('<span class="LC_info">');
1657: if ($crstype eq 'Community') {
1658: $r->print(&mt('No community items currently require a reservation to gain access.'));
1659: } else {
1660: $r->print(&mt('No course items currently require a reservation to gain access.'));
1661: }
1662: $r->print('</span>');
1663: }
1664: $r->print('<p><a href="/adm/slotrequest?command=showresv">'.
1665: &mt('Reservation History').'</a></p>');
1666: }
1667:
1668: sub show_map_row {
1669: my ($depth,$location,$type,$title,$maprows) = @_;
1670: my $output = '<td>';
1671: for (my $i=0; $i<$depth-1; $i++) {
1672: $output .= '<img src="'.$location.'" alt="" />';
1673: }
1674: if ($type eq 'page') {
1675: $output .= '<img src="/adm/lonIcons/navmap.page.open.gif" alt="" /> '."\n";
1676: } else {
1677: $output .= '<img src="/adm/lonIcons/navmap.folder.open.gif" alt="" /> '."\n";
1678: }
1679: $output .= $title.'</td><td colspan="2"> </td>'."\n";
1680: unshift (@{$maprows},$output);
1681: return;
1682: }
1683:
1684: sub show_reservations {
1685: my ($r,$uname,$udom) = @_;
1686: if (!defined($uname)) {
1687: $uname = $env{'user.name'};
1688: }
1689: if (!defined($udom)) {
1690: $udom = $env{'user.domain'};
1691: }
1692: my $formname = 'slotlog';
1693: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
1694: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
1695: my $crstype = &Apache::loncommon::course_type();
1696: my %log=&Apache::lonnet::dump('nohist_'.$cdom.'_'.$cnum.'_slotlog',$udom,$uname);
1697: if ($env{'form.origin'} eq 'aboutme') {
1698: $r->print('<div class="LC_fontsize_large">');
1699: my $name = &Apache::loncommon::plainname($env{'form.uname'},$env{'form.udom'},
1700: 'firstname');
1701: if ($crstype eq 'Community') {
1702: $r->print(&mt('History of member-reservable slots for: [_1]',
1703: $name));
1704: } else {
1705: $r->print(&mt('History of student-reservable slots for: [_1]',
1706: $name));
1707:
1708: }
1709: $r->print('</div>');
1710: }
1711: $r->print('<form action="/adm/slotrequest" method="post" name="'.$formname.'">');
1712: # set defaults
1713: my $now = time();
1714: my $defstart = $now - (7*24*3600); #7 days ago
1715: my %defaults = (
1716: page => '1',
1717: show => '10',
1718: action => 'any',
1719: log_start_date => $defstart,
1720: log_end_date => $now,
1721: );
1722: my $more_records = 0;
1723:
1724: # set current
1725: my %curr;
1726: foreach my $item ('show','page','action') {
1727: $curr{$item} = $env{'form.'.$item};
1728: }
1729: my ($startdate,$enddate) =
1730: &Apache::lonuserutils::get_dates_from_form('log_start_date',
1731: 'log_end_date');
1732: $curr{'log_start_date'} = $startdate;
1733: $curr{'log_end_date'} = $enddate;
1734: foreach my $key (keys(%defaults)) {
1735: if ($curr{$key} eq '') {
1736: $curr{$key} = $defaults{$key};
1737: }
1738: }
1739: my ($version) = ($r->dir_config('lonVersion') =~ /^([\d\.]+)\-/);
1740: $r->print(&display_filter($formname,$cdom,$cnum,\%curr,$version));
1741: my $showntablehdr = 0;
1742: my $tablehdr = &Apache::loncommon::start_data_table().
1743: &Apache::loncommon::start_data_table_header_row().
1744: '<th> </th><th>'.&mt('When').'</th><th>'.&mt('Action').'</th>'.
1745: '<th>'.&mt('Description').'</th><th>'.&mt('Start time').'</th>'.
1746: '<th>'.&mt('End time').'</th><th>'.&mt('Resource').'</th>'.
1747: &Apache::loncommon::end_data_table_header_row();
1748: my ($minshown,$maxshown);
1749: $minshown = 1;
1750: my $count = 0;
1751: if ($curr{'show'} ne &mt('all')) {
1752: $maxshown = $curr{'page'} * $curr{'show'};
1753: if ($curr{'page'} > 1) {
1754: $minshown = 1 + ($curr{'page'} - 1) * $curr{'show'};
1755: }
1756: }
1757: my (%titles,%maptitles);
1758: my %lt = &reservationlog_contexts($crstype);
1759: foreach my $id (sort { $log{$b}{'exe_time'}<=>$log{$a}{'exe_time'} } (keys(%log))) {
1760: next if (($log{$id}{'exe_time'} < $curr{'log_start_date'}) ||
1761: ($log{$id}{'exe_time'} > $curr{'log_end_date'}));
1762: if ($curr{'show'} ne &mt('all')) {
1763: if ($count >= $curr{'page'} * $curr{'show'}) {
1764: $more_records = 1;
1765: last;
1766: }
1767: }
1768: if ($curr{'action'} ne 'any') {
1769: next if ($log{$id}{'logentry'}{'action'} ne $curr{'action'});
1770: }
1771: $count ++;
1772: next if ($count < $minshown);
1773: if (!$showntablehdr) {
1774: $r->print($tablehdr);
1775: $showntablehdr = 1;
1776: }
1777: my $symb = $log{$id}{'logentry'}{'symb'};
1778: my $slot_name = $log{$id}{'logentry'}{'slot'};
1779: my %slot=&Apache::lonnet::get_slot($slot_name);
1780: my $description = $slot{'description'};
1781: my $start = ($slot{'starttime'}?
1782: &Apache::lonlocal::locallocaltime($slot{'starttime'}):'');
1783: my $end = ($slot{'endtime'}?
1784: &Apache::lonlocal::locallocaltime($slot{'endtime'}):'');
1785: my $title = &get_resource_title($symb,\%titles,\%maptitles);
1786: my $chgaction = $log{$id}{'logentry'}{'action'};
1787: if ($chgaction ne '' && $lt{$chgaction} ne '') {
1788: $chgaction = $lt{$chgaction};
1789: }
1790: $r->print(&Apache::loncommon::start_data_table_row().'<td>'.$count.'</td><td>'.&Apache::lonlocal::locallocaltime($log{$id}{'exe_time'}).'</td><td>'.$chgaction.'</td><td>'.$description.'</td><td>'.$start.'</td><td>'.$end.'</td><td>'.$title.'</td>'.&Apache::loncommon::end_data_table_row()."\n");
1791: }
1792: if ($showntablehdr) {
1793: $r->print(&Apache::loncommon::end_data_table().'<br />');
1794: if (($curr{'page'} > 1) || ($more_records)) {
1795: $r->print('<table><tr>');
1796: if ($curr{'page'} > 1) {
1797: $r->print('<td><a href="javascript:chgPage('."'previous'".');">'.&mt('Previous [_1] changes',$curr{'show'}).'</a></td>');
1798: }
1799: if ($more_records) {
1800: $r->print('<td><a href="javascript:chgPage('."'next'".');">'.&mt('Next [_1] changes',$curr{'show'}).'</a></td>');
1801: }
1802: $r->print('</tr></table>');
1803: $r->print(<<"ENDSCRIPT");
1804: <script type="text/javascript">
1805: function chgPage(caller) {
1806: if (caller == 'previous') {
1807: document.$formname.page.value --;
1808: }
1809: if (caller == 'next') {
1810: document.$formname.page.value ++;
1811: }
1812: document.$formname.submit();
1813: return;
1814: }
1815: </script>
1816: ENDSCRIPT
1817: }
1818: } else {
1819: $r->print('<span class="LC_info">'
1820: .&mt('There are no transactions to display.')
1821: .'</span>'
1822: );
1823: }
1824: $r->print('<input type="hidden" name="page" value="'.$curr{'page'}.'" />'."\n".
1825: '<input type="hidden" name="command" value="showresv" />'."\n");
1826: if ($env{'form.origin'} eq 'aboutme') {
1827: $r->print('<input type="hidden" name="origin" value="'.$env{'form.origin'}.'" />'."\n".
1828: '<input type="hidden" name="uname" value="'.$env{'form.uname'}.'" />'."\n".
1829: '<input type="hidden" name="udom" value="'.$env{'form.udom'}.'" />'."\n");
1830: }
1831: $r->print('</form>');
1832: return;
1833: }
1834:
1835: sub show_reservations_log {
1836: my ($r) = @_;
1837: my $badslot;
1838: my $crstype = &Apache::loncommon::course_type();
1839: if ($env{'form.slotname'} eq '') {
1840: $r->print('<div class="LC_warning">'.&mt('No slot name provided').'</div>');
1841: $badslot = 1;
1842: } else {
1843: my %slot=&Apache::lonnet::get_slot($env{'form.slotname'});
1844: if (keys(%slot) == 0) {
1845: $r->print('<div class="LC_warning">'.&mt('Invalid slot name: [_1]',$env{'form.slotname'}).'</div>');
1846: $badslot = 1;
1847: } elsif ($slot{type} ne 'schedulable_student') {
1848: my $description = &get_description($env{'form.slotname'},\%slot);
1849: $r->print('<div class="LC_warning">');
1850: if ($crstype eq 'Community') {
1851: $r->print(&mt('Reservation history unavailable for non-member-reservable slot: [_1].',$description));
1852: } else {
1853: $r->print(&mt('Reservation history unavailable for non-student-reservable slot: [_1].',$description));
1854: }
1855: $r->print('</div>');
1856: $badslot = 1;
1857: }
1858: }
1859: if ($badslot) {
1860: $r->print('<p><a href="/adm/slotrequest?command=showslots">'.
1861: &mt('Return to slot list').'</a></p>');
1862: return;
1863: }
1864: my $formname = 'reservationslog';
1865: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
1866: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
1867: my %slotlog=&Apache::lonnet::dump('nohist_slotreservationslog',$cdom,$cnum);
1868: if ((keys(%slotlog))[0]=~/^error\:/) { undef(%slotlog); }
1869:
1870: my (%log,@allsymbs);
1871: if (keys(%slotlog)) {
1872: foreach my $key (keys(%slotlog)) {
1873: if (ref($slotlog{$key}) eq 'HASH') {
1874: if (ref($slotlog{$key}{'logentry'}) eq 'HASH') {
1875: if ($slotlog{$key}{'logentry'}{'slot'} eq $env{'form.slotname'}) {
1876: $log{$key} = $slotlog{$key};
1877: if ($slotlog{$key}{'logentry'}{'symb'} ne '') {
1878: push(@allsymbs,$slotlog{$key}{'logentry'}{'symb'});
1879: }
1880: }
1881: }
1882: }
1883: }
1884: }
1885:
1886: $r->print('<form action="/adm/slotrequest" method="post" name="'.$formname.'">');
1887: my %saveable_parameters = ('show' => 'scalar',);
1888: &Apache::loncommon::store_course_settings('reservationslog',
1889: \%saveable_parameters);
1890: &Apache::loncommon::restore_course_settings('reservationslog',
1891: \%saveable_parameters);
1892: # set defaults
1893: my $now = time();
1894: my $defstart = $now - (7*24*3600); #7 days ago
1895: my %defaults = (
1896: page => '1',
1897: show => '10',
1898: chgcontext => 'any',
1899: action => 'any',
1900: symb => 'any',
1901: log_start_date => $defstart,
1902: log_end_date => $now,
1903: );
1904: my $more_records = 0;
1905:
1906: # set current
1907: my %curr;
1908: foreach my $item ('show','page','chgcontext','action','symb') {
1909: $curr{$item} = $env{'form.'.$item};
1910: }
1911: my ($startdate,$enddate) =
1912: &Apache::lonuserutils::get_dates_from_form('log_start_date',
1913: 'log_end_date');
1914: $curr{'log_start_date'} = $startdate;
1915: $curr{'log_end_date'} = $enddate;
1916: foreach my $key (keys(%defaults)) {
1917: if ($curr{$key} eq '') {
1918: $curr{$key} = $defaults{$key};
1919: }
1920: }
1921: my (%whodunit,%changed,$version);
1922: ($version) = ($r->dir_config('lonVersion') =~ /^([\d\.]+)\-/);
1923:
1924: my %slot=&Apache::lonnet::get_slot($env{'form.slotname'});
1925: my $description = $slot{'description'};
1926: $r->print('<span class="LC_fontsize_large">');
1927: if ($crstype eq 'Community') {
1928: $r->print(&mt('Reservation changes for member-reservable slot: [_1]',$description));
1929: } else {
1930: $r->print(&mt('Reservation changes for student-reservable slot: [_1]',$description));
1931: }
1932: $r->print('</span><br />');
1933: $r->print(&display_filter($formname,$cdom,$cnum,\%curr,$version,\@allsymbs));
1934: my $showntablehdr = 0;
1935: my $tablehdr = &Apache::loncommon::start_data_table().
1936: &Apache::loncommon::start_data_table_header_row().
1937: '<th> </th><th>'.&mt('When').'</th><th>'.&mt('Who made the change').
1938: '</th><th>'.&mt('Affected User').'</th><th>'.&mt('Action').'</th>'.
1939: '<th>'.&mt('Resource').'</th><th>'.&mt('Context').'</th>'.
1940: &Apache::loncommon::end_data_table_header_row();
1941: my ($minshown,$maxshown);
1942: $minshown = 1;
1943: my $count = 0;
1944: if ($curr{'show'} ne &mt('all')) {
1945: $maxshown = $curr{'page'} * $curr{'show'};
1946: if ($curr{'page'} > 1) {
1947: $minshown = 1 + ($curr{'page'} - 1) * $curr{'show'};
1948: }
1949: }
1950: my %lt = &reservationlog_contexts($crstype);
1951: my (%titles,%maptitles);
1952: foreach my $id (sort { $log{$b}{'exe_time'}<=>$log{$a}{'exe_time'} } (keys(%log))) {
1953: next if (($log{$id}{'exe_time'} < $curr{'log_start_date'}) ||
1954: ($log{$id}{'exe_time'} > $curr{'log_end_date'}));
1955: if ($curr{'show'} ne &mt('all')) {
1956: if ($count >= $curr{'page'} * $curr{'show'}) {
1957: $more_records = 1;
1958: last;
1959: }
1960: }
1961: if ($curr{'chgcontext'} ne 'any') {
1962: if ($curr{'chgcontext'} eq 'user') {
1963: next if (($log{$id}{'logentry'}{'context'} ne 'user') &&
1964: ($log{$id}{'logentry'}{'context'} ne 'usermanage'));
1965: } else {
1966: next if ($log{$id}{'logentry'}{'context'} ne $curr{'chgcontext'});
1967: }
1968: }
1969: if ($curr{'action'} ne 'any') {
1970: next if ($log{$id}{'logentry'}{'action'} ne $curr{'action'});
1971: }
1972: if ($curr{'symb'} ne 'any') {
1973: next if ($log{$id}{'logentry'}{'symb'} ne $curr{'symb'});
1974: }
1975: $count ++;
1976: next if ($count < $minshown);
1977: if (!$showntablehdr) {
1978: $r->print($tablehdr);
1979: $showntablehdr = 1;
1980: }
1981: if ($whodunit{$log{$id}{'exe_uname'}.':'.$log{$id}{'exe_udom'}} eq '') {
1982: $whodunit{$log{$id}{'exe_uname'}.':'.$log{$id}{'exe_udom'}} =
1983: &Apache::loncommon::plainname($log{$id}{'exe_uname'},$log{$id}{'exe_udom'});
1984: }
1985: if ($changed{$log{$id}{'uname'}.':'.$log{$id}{'udom'}} eq '') {
1986: $changed{$log{$id}{'uname'}.':'.$log{$id}{'udom'}} =
1987: &Apache::loncommon::plainname($log{$id}{'uname'},$log{$id}{'udom'});
1988: }
1989: my $symb = $log{$id}{'logentry'}{'symb'};
1990: my $title = &get_resource_title($symb,\%titles,\%maptitles);
1991: my $chgcontext = $log{$id}{'logentry'}{'context'};
1992: if ($chgcontext ne '' && $lt{$chgcontext} ne '') {
1993: $chgcontext = $lt{$chgcontext};
1994: }
1995: my $chgaction = $log{$id}{'logentry'}{'action'};
1996: if ($chgaction ne '' && $lt{$chgaction} ne '') {
1997: $chgaction = $lt{$chgaction};
1998: }
1999: $r->print(&Apache::loncommon::start_data_table_row().'<td>'.$count.'</td><td>'.&Apache::lonlocal::locallocaltime($log{$id}{'exe_time'}).'</td><td>'.$whodunit{$log{$id}{'exe_uname'}.':'.$log{$id}{'exe_udom'}}.'</td><td>'.$changed{$log{$id}{'uname'}.':'.$log{$id}{'udom'}}.'</td><td>'.$chgaction.'</td><td>'.$title.'</td><td>'.$chgcontext.'</td>'.&Apache::loncommon::end_data_table_row()."\n");
2000: }
2001: if ($showntablehdr) {
2002: $r->print(&Apache::loncommon::end_data_table().'<br />');
2003: if (($curr{'page'} > 1) || ($more_records)) {
2004: $r->print('<table><tr>');
2005: if ($curr{'page'} > 1) {
2006: $r->print('<td><a href="javascript:chgPage('."'previous'".');">'.&mt('Previous [_1] changes',$curr{'show'}).'</a></td>');
2007: }
2008: if ($more_records) {
2009: $r->print('<td><a href="javascript:chgPage('."'next'".');">'.&mt('Next [_1] changes',$curr{'show'}).'</a></td>');
2010: }
2011: $r->print('</tr></table>');
2012: $r->print(<<"ENDSCRIPT");
2013: <script type="text/javascript">
2014: function chgPage(caller) {
2015: if (caller == 'previous') {
2016: document.$formname.page.value --;
2017: }
2018: if (caller == 'next') {
2019: document.$formname.page.value ++;
2020: }
2021: document.$formname.submit();
2022: return;
2023: }
2024: </script>
2025: ENDSCRIPT
2026: }
2027: } else {
2028: $r->print(&mt('There are no records to display.'));
2029: }
2030: $r->print('<input type="hidden" name="page" value="'.$curr{'page'}.'" />'.
2031: '<input type="hidden" name="slotname" value="'.$env{'form.slotname'}.'" />'.
2032: '<input type="hidden" name="command" value="slotlog" /></form>'.
2033: '<p><a href="/adm/slotrequest?command=showslots">'.
2034: &mt('Return to slot list').'</a></p>');
2035: return;
2036: }
2037:
2038: sub get_resource_title {
2039: my ($symb,$titles,$maptitles) = @_;
2040: my $title;
2041: if ((ref($titles) eq 'HASH') && (ref($maptitles) eq 'HASH')) {
2042: if (defined($titles->{$symb})) {
2043: $title = $titles->{$symb};
2044: } else {
2045: $title = &Apache::lonnet::gettitle($symb);
2046: my $maptitle;
2047: my ($mapurl) = &Apache::lonnet::decode_symb($symb);
2048: if (defined($maptitles->{$mapurl})) {
2049: $maptitle = $maptitles->{$mapurl};
2050: } else {
2051: if ($mapurl eq $env{'course.'.$env{'request.course.id'}.'.url'}) {
2052: $maptitle=&mt('Main Course Documents');
2053: } else {
2054: $maptitle=&Apache::lonnet::gettitle($mapurl);
2055: }
2056: $maptitles->{$mapurl} = $maptitle;
2057: }
2058: if ($maptitle ne '') {
2059: $title .= ' '.&mt('(in [_1])',$maptitle);
2060: }
2061: $titles->{$symb} = $title;
2062: }
2063: } else {
2064: $title = $symb;
2065: }
2066: return $title;
2067: }
2068:
2069: sub reservationlog_contexts {
2070: my ($crstype) = @_;
2071: my %lt = &Apache::lonlocal::texthash (
2072: any => 'Any',
2073: user => 'By student',
2074: manage => 'Via Slot Manager',
2075: parameter => 'Via Parameter Manager',
2076: reserve => 'Made reservation',
2077: release => 'Dropped reservation',
2078: usermanage => 'By student',
2079: );
2080: if ($crstype eq 'Community') {
2081: $lt{'user'} = &mt('By member');
2082: $lt{'usermanage'} = $lt{'user'};
2083: }
2084: return %lt;
2085: }
2086:
2087: sub display_filter {
2088: my ($formname,$cdom,$cnum,$curr,$version,$allsymbs) = @_;
2089: my $nolink = 1;
2090: my (%titles,%maptitles);
2091: my $output = '<br /><table><tr><td valign="top">'.
2092: '<span class="LC_nobreak"><b>'.&mt('Changes/page:').'</b><br />'.
2093: &Apache::lonmeta::selectbox('show',$curr->{'show'},undef,
2094: (&mt('all'),5,10,20,50,100,1000,10000)).
2095: '</td><td> </td>';
2096: my $startform =
2097: &Apache::lonhtmlcommon::date_setter($formname,'log_start_date',
2098: $curr->{'log_start_date'},undef,
2099: undef,undef,undef,undef,undef,undef,$nolink);
2100: my $endform =
2101: &Apache::lonhtmlcommon::date_setter($formname,'log_end_date',
2102: $curr->{'log_end_date'},undef,
2103: undef,undef,undef,undef,undef,undef,$nolink);
2104: my $crstype = &Apache::loncommon::course_type();
2105: my %lt = &reservationlog_contexts($crstype);
2106: $output .= '<td valign="top"><b>'.&mt('Window during which changes occurred:').
2107: '</b><br /><table><tr><td>'.&mt('After:').
2108: '</td><td>'.$startform.'</td></tr><tr><td>'.&mt('Before:').'</td><td>'.
2109: $endform.'</td></tr></table></td><td> </td>';
2110: if (ref($allsymbs) eq 'ARRAY') {
2111: $output .= '<td valign="top"><b>'.&mt('Resource').'</b><br />'.
2112: '<select name="resource"><option value="any"';
2113: if ($curr->{'resource'} eq 'any') {
2114: $output .= ' selected="selected"';
2115: }
2116: $output .= '>'.&mt('Any').'</option>'."\n";
2117: foreach my $symb (@{$allsymbs}) {
2118: my $title = &get_resource_title($symb,\%titles,\%maptitles);
2119: my $selstr = '';
2120: if ($curr->{'resource'} eq $symb) {
2121: $selstr = ' selected="selected"';
2122: }
2123: $output .= ' <option value="'.$symb.'"'.$selstr.'>'.$title.'</option>';
2124: }
2125: $output .= '</select></td><td> </td><td valign="top"><b>'.
2126: &mt('Context:').'</b><br /><select name="chgcontext">';
2127: foreach my $chgtype ('any','user','manage','parameter') {
2128: my $selstr = '';
2129: if ($curr->{'chgcontext'} eq $chgtype) {
2130: $output .= $selstr = ' selected="selected"';
2131: }
2132: $output .= '<option value="'.$chgtype.'"'.$selstr.'>'.$lt{$chgtype}.'</option>'."\n";
2133: }
2134: $output .= '</select></td>';
2135: } else {
2136: $output .= '<td valign="top"><b>'.&mt('Action').'</b><br />'.
2137: '<select name="action"><option value="any"';
2138: if ($curr->{'action'} eq 'any') {
2139: $output .= ' selected="selected"';
2140: }
2141: $output .= '>'.&mt('Any').'</option>'."\n";
2142: foreach my $actiontype ('reserve','release') {
2143: my $selstr = '';
2144: if ($curr->{'action'} eq $actiontype) {
2145: $output .= $selstr = ' selected="selected"';
2146: }
2147: $output .= '<option value="'.$actiontype.'"'.$selstr.'>'.$lt{$actiontype}.'</option>'."\n";
2148: }
2149: $output .= '</select></td>';
2150: }
2151: $output .= '<td> </td><td valign="middle"><input type="submit" value="'.
2152: &mt('Update Display').'" /></tr></table>'.
2153: '<p class="LC_info">'.
2154: &mt('Only changes made from servers running LON-CAPA [_1] or later are displayed.'
2155: ,'2.9.0');
2156: if ($version) {
2157: $output .= ' '.&mt('This LON-CAPA server is version [_1]',$version);
2158: }
2159: $output .= '</p><hr /><br />';
2160: return $output;
2161: }
2162:
2163: sub slot_change_messaging {
2164: my ($setting,$subject,$msg,$action) = @_;
2165: my $user = $env{'user.name'};
2166: my $domain = $env{'user.domain'};
2167: my ($message_status,$comment_status);
2168: if ($setting eq 'only_student'
2169: || $setting eq 'student_and_user_notes_screen') {
2170: $message_status =
2171: &Apache::lonmsg::user_normal_msg($user,$domain,$subject,$msg);
2172: $message_status = '<li>'.&mt('Sent to you: [_1]',
2173: $message_status).' </li>';
2174: }
2175: if ($setting eq 'student_and_user_notes_screen') {
2176: $comment_status =
2177: &Apache::lonmsg::store_instructor_comment($subject.'<br />'.
2178: $msg,$user,$domain);
2179: $comment_status = '<li>'.&mt('Entry added to course record (viewable by instructor): [_1]',
2180: $comment_status).'</li>';
2181: }
2182: if ($message_status || $comment_status) {
2183: my $msgtitle;
2184: if ($action eq 'reserve') {
2185: $msgtitle = &mt('Status of messages about saved reservation');
2186: } elsif ($action eq 'release') {
2187: $msgtitle = &mt('Status of messages about dropped reservation');
2188: } elsif ($action eq 'nochange') {
2189: $msgtitle = &mt('Status of messages about unchanged existing reservation');
2190: }
2191: return '<span class="LC_info">'.$msgtitle.'</span>'
2192: .'<ul>'
2193: .$message_status
2194: .$comment_status
2195: .'</ul><hr />';
2196: }
2197: }
2198:
2199: sub upload_start {
2200: my ($r)=@_;
2201: $r->print(
2202: &Apache::grades::checkforfile_js()
2203: .'<h3>'.&mt('Specify a file containing the slot definitions.').'</h3>'
2204: .'<form method="post" enctype="multipart/form-data"'
2205: .' action="/adm/slotrequest" name="slotupload">'
2206: .'<input type="hidden" name="command" value="csvuploadmap" />'
2207: .&Apache::lonhtmlcommon::start_pick_box()
2208: .&Apache::lonhtmlcommon::row_title(&mt('File'))
2209: .&Apache::loncommon::upfile_select_html()
2210: .&Apache::lonhtmlcommon::row_closure()
2211: .&Apache::lonhtmlcommon::row_title(
2212: '<label for="noFirstLine">'
2213: .&mt('Ignore First Line')
2214: .'</label>')
2215: .'<input type="checkbox" name="noFirstLine" id="noFirstLine" />'
2216: .&Apache::lonhtmlcommon::row_closure(1)
2217: .&Apache::lonhtmlcommon::end_pick_box()
2218: .'<p>'
2219: .'<input type="button" onclick="javascript:checkUpload(this.form);"'
2220: .' value="'.&mt('Next').'" />'
2221: .'</p>'
2222: .'</form>'
2223: );
2224: }
2225:
2226: sub csvuploadmap_header {
2227: my ($r,$datatoken,$distotal)= @_;
2228: my $javascript;
2229: if ($env{'form.upfile_associate'} eq 'reverse') {
2230: $javascript=&csvupload_javascript_reverse_associate();
2231: } else {
2232: $javascript=&csvupload_javascript_forward_associate();
2233: }
2234:
2235: my $checked=(($env{'form.noFirstLine'})?' checked="checked"':'');
2236: my $ignore=&mt('Ignore First Line');
2237: my $help_field = &Apache::loncommon::help_open_topic('Slot SelectingField');
2238:
2239: $r->print(<<ENDPICK);
2240: <form method="post" enctype="multipart/form-data" action="/adm/slotrequest" name="slotupload">
2241: <h3>Identify fields $help_field</h3>
2242: Total number of records found in file: $distotal <hr />
2243: Enter as many fields as you can. The system will inform you and bring you back
2244: to this page if the data selected is insufficient to create the slots.<hr />
2245: <input type="button" value="Reverse Association" onclick="javascript:this.form.associate.value='Reverse Association';submit(this.form);" />
2246: <label><input type="checkbox" name="noFirstLine"$checked />$ignore</label>
2247: <input type="hidden" name="associate" value="" />
2248: <input type="hidden" name="datatoken" value="$datatoken" />
2249: <input type="hidden" name="fileupload" value="$env{'form.fileupload'}" />
2250: <input type="hidden" name="upfiletype" value="$env{'form.upfiletype'}" />
2251: <input type="hidden" name="upfile_associate"
2252: value="$env{'form.upfile_associate'}" />
2253: <input type="hidden" name="command" value="csvuploadassign" />
2254: <hr />
2255: <script type="text/javascript" language="Javascript">
2256: $javascript
2257: </script>
2258: ENDPICK
2259: return '';
2260:
2261: }
2262:
2263: sub csvuploadmap_footer {
2264: my ($request,$i,$keyfields) =@_;
2265: my $buttontext = &mt('Create Slots');
2266: $request->print(<<ENDPICK);
2267: </table>
2268: <input type="hidden" name="nfields" value="$i" />
2269: <input type="hidden" name="keyfields" value="$keyfields" />
2270: <input type="button" onclick="javascript:verify(this.form)" value="$buttontext" /><br />
2271: </form>
2272: ENDPICK
2273: }
2274:
2275: sub csvupload_javascript_reverse_associate {
2276: my $error1=&mt('You need to specify the name, starttime, endtime and a type');
2277: return(<<ENDPICK);
2278: function verify(vf) {
2279: var foundstart=0;
2280: var foundend=0;
2281: var foundname=0;
2282: var foundtype=0;
2283: for (i=0;i<=vf.nfields.value;i++) {
2284: tw=eval('vf.f'+i+'.selectedIndex');
2285: if (i==0 && tw!=0) { foundname=1; }
2286: if (i==1 && tw!=0) { foundtype=1; }
2287: if (i==2 && tw!=0) { foundstat=1; }
2288: if (i==3 && tw!=0) { foundend=1; }
2289: }
2290: if (foundstart==0 && foundend==0 && foundtype==0 && foundname==0) {
2291: alert('$error1');
2292: return;
2293: }
2294: vf.submit();
2295: }
2296: function flip(vf,tf) {
2297: }
2298: ENDPICK
2299: }
2300:
2301: sub csvupload_javascript_forward_associate {
2302: my $error1=&mt('You need to specify the name, starttime, endtime and a type');
2303: return(<<ENDPICK);
2304: function verify(vf) {
2305: var foundstart=0;
2306: var foundend=0;
2307: var foundname=0;
2308: var foundtype=0;
2309: for (i=0;i<=vf.nfields.value;i++) {
2310: tw=eval('vf.f'+i+'.selectedIndex');
2311: if (tw==1) { foundname=1; }
2312: if (tw==2) { foundtype=1; }
2313: if (tw==3) { foundstat=1; }
2314: if (tw==4) { foundend=1; }
2315: }
2316: if (foundstart==0 && foundend==0 && foundtype==0 && foundname==0) {
2317: alert('$error1');
2318: return;
2319: }
2320: vf.submit();
2321: }
2322: function flip(vf,tf) {
2323: }
2324: ENDPICK
2325: }
2326:
2327: sub csv_upload_map {
2328: my ($r)= @_;
2329:
2330: my $datatoken;
2331: if (!$env{'form.datatoken'}) {
2332: $datatoken=&Apache::loncommon::upfile_store($r);
2333: } else {
2334: $datatoken=$env{'form.datatoken'};
2335: &Apache::loncommon::load_tmp_file($r);
2336: }
2337: my @records=&Apache::loncommon::upfile_record_sep();
2338: if ($env{'form.noFirstLine'}) { shift(@records); }
2339: &csvuploadmap_header($r,$datatoken,$#records+1);
2340: my ($i,$keyfields);
2341: if (@records) {
2342: my @fields=&csvupload_fields();
2343:
2344: if ($env{'form.upfile_associate'} eq 'reverse') {
2345: &Apache::loncommon::csv_print_samples($r,\@records);
2346: $i=&Apache::loncommon::csv_print_select_table($r,\@records,
2347: \@fields);
2348: foreach (@fields) { $keyfields.=$_->[0].','; }
2349: chop($keyfields);
2350: } else {
2351: unshift(@fields,['none','']);
2352: $i=&Apache::loncommon::csv_samples_select_table($r,\@records,
2353: \@fields);
2354: my %sone=&Apache::loncommon::record_sep($records[0]);
2355: $keyfields=join(',',sort(keys(%sone)));
2356: }
2357: }
2358: &csvuploadmap_footer($r,$i,$keyfields);
2359:
2360: return '';
2361: }
2362:
2363: sub csvupload_fields {
2364: return (['name','Slot name'],
2365: ['type','Type of slot'],
2366: ['starttime','Start Time of slot'],
2367: ['endtime','End Time of slot'],
2368: ['startreserve','Reservation Start Time'],
2369: ['endreserve','Reservation End Time'],
2370: ['reservationmsg','Message when reservation changed'],
2371: ['ip','IP or DNS restriction'],
2372: ['proctor','List of proctor ids'],
2373: ['description','Slot Description'],
2374: ['maxspace','Maximum number of reservations'],
2375: ['symb','Resource Restriction'],
2376: ['uniqueperiod','Date range of slot exclusion'],
2377: ['secret','Secret word proctor uses to validate'],
2378: ['allowedsections','Sections slot is restricted to'],
2379: ['allowedusers','Users slot is restricted to'],
2380: );
2381: }
2382:
2383: sub csv_upload_assign {
2384: my ($r,$mgr)= @_;
2385: &Apache::loncommon::load_tmp_file($r);
2386: my @slotdata = &Apache::loncommon::upfile_record_sep();
2387: if ($env{'form.noFirstLine'}) { shift(@slotdata); }
2388: my %fields=&Apache::grades::get_fields();
2389: $r->print('<h3>'.&mt('Creating Slots').'</h3>');
2390: my $cname=$env{'course.'.$env{'request.course.id'}.'.num'};
2391: my $cdom=$env{'course.'.$env{'request.course.id'}.'.domain'};
2392: my $countdone=0;
2393: my @errors;
2394: foreach my $slot (@slotdata) {
2395: my %slot;
2396: my %entries=&Apache::loncommon::record_sep($slot);
2397: my $domain;
2398: my $name=$entries{$fields{'name'}};
2399: if ($name=~/^\s*$/) {
2400: push(@errors,"Did not create slot with no name");
2401: next;
2402: }
2403: if ($name=~/\s/) {
2404: push(@errors,"$name not created -- Name must not contain spaces");
2405: next;
2406: }
2407: if ($name=~/\W/) {
2408: push(@errors,"$name not created -- Name must contain only letters, numbers and _");
2409: next;
2410: }
2411: if ($entries{$fields{'type'}}) {
2412: $slot{'type'}=$entries{$fields{'type'}};
2413: } else {
2414: $slot{'type'}='preassigned';
2415: }
2416: if ($slot{'type'} ne 'preassigned' &&
2417: $slot{'type'} ne 'schedulable_student') {
2418: push(@errors,"$name not created -- invalid type ($slot{'type'}) must be either preassigned or schedulable_student");
2419: next;
2420: }
2421: if ($entries{$fields{'starttime'}}) {
2422: $slot{'starttime'}=&UnixDate($entries{$fields{'starttime'}},"%s");
2423: }
2424: if ($entries{$fields{'endtime'}}) {
2425: $slot{'endtime'}=&UnixDate($entries{$fields{'endtime'}},"%s");
2426: }
2427:
2428: # start/endtime must be defined and greater than zero
2429: if (!$slot{'starttime'}) {
2430: push(@errors,"$name not created -- Invalid start time");
2431: next;
2432: }
2433: if (!$slot{'endtime'}) {
2434: push(@errors,"$name not created -- Invalid end time");
2435: next;
2436: }
2437: if ($slot{'starttime'} > $slot{'endtime'}) {
2438: push(@errors,"$name not created -- Slot starts after it ends");
2439: next;
2440: }
2441:
2442: if ($entries{$fields{'startreserve'}}) {
2443: $slot{'startreserve'}=
2444: &UnixDate($entries{$fields{'startreserve'}},"%s");
2445: }
2446: if (defined($slot{'startreserve'})
2447: && $slot{'startreserve'} > $slot{'starttime'}) {
2448: push(@errors,"$name not created -- Slot's reservation start time is after the slot's start time.");
2449: next;
2450: }
2451:
2452: if ($entries{$fields{'endreserve'}}) {
2453: $slot{'endreserve'}=
2454: &UnixDate($entries{$fields{'endreserve'}},"%s");
2455: }
2456: if (defined($slot{'endreserve'})
2457: && $slot{'endreserve'} > $slot{'starttime'}) {
2458: push(@errors,"$name not created -- Slot's reservation end time is after the slot's start time.");
2459: next;
2460: }
2461:
2462: if ($slot{'type'} eq 'schedulable_student') {
2463: if ($entries{$fields{'reservationmsg'}}) {
2464: if (($entries{$fields{'reservationmsg'}} eq 'only_student') ||
2465: ($entries{$fields{'reservationmsg'}} eq 'student_and_user_notes_screen')) {
2466: $slot{'reservationmsg'}=$entries{$fields{'reservationmsg'}};
2467: } else {
2468: unless (($entries{$fields{'reservationmsg'}} eq 'none') ||
2469: ($entries{$fields{'reservationmsg'}} eq '')) {
2470: push(@errors,"$name -- Slot's reservationmsg setting ignored - not one of: 'only_student', 'student_and_user_notes_screen', 'none' or ''");
2471: }
2472: }
2473: }
2474: }
2475:
2476: foreach my $key ('ip','proctor','description','maxspace',
2477: 'secret','symb') {
2478: if ($entries{$fields{$key}}) {
2479: $slot{$key}=$entries{$fields{$key}};
2480: }
2481: }
2482:
2483: if ($entries{$fields{'uniqueperiod'}}) {
2484: my ($start,$end)=split(',',$entries{$fields{'uniqueperiod'}});
2485: my @times=(&UnixDate($start,"%s"),
2486: &UnixDate($end,"%s"));
2487: $slot{'uniqueperiod'}=\@times;
2488: }
2489: if (defined($slot{'uniqueperiod'})
2490: && $slot{'uniqueperiod'}[0] > $slot{'uniqueperiod'}[1]) {
2491: push(@errors,"$name not created -- Slot's unique period start time is later than the unique period's end time.");
2492: next;
2493: }
2494:
2495: &Apache::lonnet::cput('slots',{$name=>\%slot},$cdom,$cname);
2496: $r->print('.');
2497: $r->rflush();
2498: $countdone++;
2499: }
2500: if ($countdone) {
2501: &Apache::lonnet::devalidate_slots_cache($cname,$cdom);
2502: }
2503: $r->print('<p>'.&mt('Created [quant,_1,slot]',$countdone)."\n".'</p>');
2504: foreach my $error (@errors) {
2505: $r->print('<p><span class="LC_warning">'.$error.'</span></p>'."\n");
2506: }
2507: &show_table($r,$mgr);
2508: return '';
2509: }
2510:
2511: sub slot_command_titles {
2512: my %titles = (
2513: slotlog => 'Reservation Logs',
2514: showslots => 'Manage Slots',
2515: showresv => 'Reservation History',
2516: manageresv => 'Manage Reservations',
2517: uploadstart => 'Upload Slots File',
2518: csvuploadmap => 'Upload Slots File',
2519: csvuploadassign => 'Upload Slots File',
2520: delete => 'Slot Deletion',
2521: release => 'Reservation Result',
2522: remove_reservation => 'Remove Registration',
2523: get_reservation => 'Request Reservation',
2524: );
2525: return %titles;
2526: }
2527:
2528: sub slot_reservationmsg_options {
2529: my %options = &Apache::lonlocal::texthash (
2530: only_student => 'Sent to student',
2531: student_and_user_notes_screen => 'Sent to student and added to user notes',
2532: none => 'None sent and no record in user notes',
2533: );
2534: return %options;
2535: }
2536:
2537: sub handler {
2538: my $r=shift;
2539:
2540: &Apache::loncommon::content_type($r,'text/html');
2541: &Apache::loncommon::no_cache($r);
2542: if ($r->header_only()) {
2543: $r->send_http_header();
2544: return OK;
2545: }
2546:
2547: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'});
2548:
2549: my %crumb_titles = &slot_command_titles();
2550: my $brcrum;
2551:
2552: my $vgr=&Apache::lonnet::allowed('vgr',$env{'request.course.id'});
2553: my $mgr=&Apache::lonnet::allowed('mgr',$env{'request.course.id'});
2554: if ($env{'form.command'} eq 'showslots') {
2555: if (($vgr ne 'F') && ($mgr ne 'F')) {
2556: $env{'form.command'} = 'manageresv';
2557: }
2558: } elsif ($env{'form.command'} eq 'manageresv') {
2559: if (($vgr eq 'F') || ($mgr eq 'F')) {
2560: $env{'form.command'} = 'showslots';
2561: }
2562: }
2563: my $title='Requesting Another Worktime';
2564: if ($env{'form.command'} eq 'showresv') {
2565: $title = 'Reservation History';
2566: if ($env{'form.origin'} eq 'aboutme') {
2567: $brcrum =[{href=>"/adm/$env{'form.udom'}/$env{'form.uname'}/aboutme",text=>'Personal Information Page'}];
2568: } else {
2569: $brcrum =[{href=>"/adm/slotrequest?command=manageresv",text=>'Manage Reservations'}];
2570: }
2571: if (ref($brcrum) eq 'ARRAY') {
2572: push(@{$brcrum},{href=>"/adm/slotrequest?command=showresv",text=>$title});
2573: }
2574: } elsif ($env{'form.command'} eq 'manageresv') {
2575: $title = 'Manage Reservations';
2576: $brcrum =[{href=>"/adm/slotrequest?command=manageresv",text=>$title}];
2577: } elsif ($vgr eq 'F') {
2578: if ($env{'form.command'} =~ /^(slotlog|showslots|uploadstart|csvuploadmap|csvuploadassign|delete|release|remove_registration)$/) {
2579: $brcrum =[{href=>"/adm/slotrequest?command=showslots",
2580: text=>$crumb_titles{'showslots'}}];
2581: $title = 'Managing Slots';
2582: unless ($env{'form.command'} eq 'showslots') {
2583: if (ref($brcrum) eq 'ARRAY') {
2584: push(@{$brcrum},{href=>"/adm/slotrequest?command=$env{'form.command'}",text=>$crumb_titles{$env{'form.command'}}});
2585: }
2586: }
2587: }
2588: } elsif ($env{'form.command'} eq 'release') {
2589: if ($env{'form.context'} eq 'usermanage') {
2590: $brcrum =[{href=>"/adm/slotrequest?command=manageresv",
2591: text=>$crumb_titles{'showslots'}}];
2592: $title = 'Manage Reservations';
2593: if (ref($brcrum) eq 'ARRAY') {
2594: push(@{$brcrum},{href=>"/adm/slotrequest?command=$env{'form.command'}",text=>$crumb_titles{$env{'form.command'}}});
2595: }
2596: }
2597: } else {
2598: $brcrum =[];
2599: }
2600: &start_page($r,$title,$brcrum);
2601:
2602: if ($env{'form.command'} eq 'manageresv') {
2603: my $crstype = &Apache::loncommon::course_type();
2604: &manage_reservations($r,$crstype);
2605: } elsif ($env{'form.command'} eq 'showresv') {
2606: &show_reservations($r,$env{'form.uname'},$env{'form.udom'});
2607: } elsif ($env{'form.command'} eq 'showslots' && $vgr eq 'F') {
2608: &show_table($r,$mgr);
2609: } elsif ($env{'form.command'} eq 'remove_registration' && $mgr eq 'F') {
2610: &remove_registration($r);
2611: } elsif ($env{'form.command'} eq 'release' && $mgr eq 'F') {
2612: if ($env{'form.entry'} eq 'remove all') {
2613: &release_all_slot($r,$mgr);
2614: } else {
2615: &release_slot($r,undef,undef,undef,$mgr);
2616: }
2617: } elsif ($env{'form.command'} eq 'delete' && $mgr eq 'F') {
2618: &delete_slot($r);
2619: } elsif ($env{'form.command'} eq 'uploadstart' && $mgr eq 'F') {
2620: &upload_start($r);
2621: } elsif ($env{'form.command'} eq 'csvuploadmap' && $mgr eq 'F') {
2622: &csv_upload_map($r);
2623: } elsif ($env{'form.command'} eq 'csvuploadassign' && $mgr eq 'F') {
2624: if ($env{'form.associate'} ne 'Reverse Association') {
2625: &csv_upload_assign($r,$mgr);
2626: } else {
2627: if ( $env{'form.upfile_associate'} ne 'reverse' ) {
2628: $env{'form.upfile_associate'} = 'reverse';
2629: } else {
2630: $env{'form.upfile_associate'} = 'forward';
2631: }
2632: &csv_upload_map($r);
2633: }
2634: } elsif ($env{'form.command'} eq 'slotlog' && $mgr eq 'F') {
2635: &show_reservations_log($r);
2636: } else {
2637: my $symb=&unescape($env{'form.symb'});
2638: if (!defined($symb)) {
2639: &fail($r,'not_valid');
2640: return OK;
2641: }
2642: my (undef,undef,$res)=&Apache::lonnet::decode_symb($symb);
2643: my $useslots = &Apache::lonnet::EXT("resource.0.useslots",$symb);
2644: if ($useslots ne 'resource'
2645: && $useslots ne 'map'
2646: && $useslots ne 'map_map') {
2647: &fail($r,'not_available');
2648: return OK;
2649: }
2650: $env{'request.symb'}=$symb;
2651: my $type = ($res =~ /\.task$/) ? 'Task'
2652: : 'problem';
2653: my ($status) = &Apache::lonhomework::check_slot_access('0',$type);
2654: if ($status eq 'CAN_ANSWER' ||
2655: $status eq 'NEEDS_CHECKIN' ||
2656: $status eq 'WAITING_FOR_GRADE') {
2657: &fail($r,'not_allowed');
2658: return OK;
2659: }
2660: if ($env{'form.requestattempt'}) {
2661: &show_choices($r,$symb);
2662: } elsif ($env{'form.command'} eq 'release') {
2663: &release_slot($r,$symb);
2664: } elsif ($env{'form.command'} eq 'get') {
2665: &get_slot($r,$symb);
2666: } elsif ($env{'form.command'} eq 'change') {
2667: if ($env{'form.nochange'}) {
2668: my $slot_name = $env{'form.releaseslot'};
2669: my @slots = &check_for_reservation($symb,'allslots');
2670: my $msg;
2671: if (($slot_name ne '') && (grep(/^\Q$slot_name\E/,@slots))) {
2672: my %slot=&Apache::lonnet::get_slot($env{'form.releaseslot'});
2673: my $description=&get_description($slot_name,\%slot);
2674: $msg = '<span style="font-weight: bold;">'.
2675: &mt('Unchanged reservation: [_1]',$description).'</span><br /><br />';
2676: my $person =
2677: &Apache::loncommon::plainname($env{'user.name'},$env{'user.domain'});
2678: my $subject = &mt('Reservation unchanged: [_1]',$description);
2679: my $msgbody = &mt('No change to existing registration by [_1] for [_2].',$person,$description);
2680: $msg .= &slot_change_messaging($slot{'reservationmsg'},$subject,$msgbody,'nochange');
2681: } else {
2682: $msg = '<span class="LC_warning">'.&mt('Reservation no longer reported as available.').'</span>';
2683: }
2684: $r->print($msg);
2685: &return_link($r);
2686: } elsif (&get_slot($r,$symb,$env{'form.releaseslot'},1)) {
2687: &release_slot($r,$symb,$env{'form.releaseslot'});
2688: }
2689: } else {
2690: $r->print('<p>'.&mt('Unknown command: [_1]',$env{'form.command'}).'</p>');
2691: }
2692: }
2693: &end_page($r);
2694: return OK;
2695: }
2696:
2697: 1;
2698: __END__
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